Quiz about Proportional Relationship and Percents

Question 1

A painter used 1/2 gallons of paint to paint 3/4 of a room.  At this same rate, how many gallons will it take to paint the whole room?

Accepted Answer

2/3

Answer

1 1/2

Answer

3/20

Answer

6

Question 2

Which statement below accurately represents the graph?

Accepted Answer

$500 is earned for every 8 hours worked

Answer

$100 is earned for each hour worked

Answer

$200 earned for every 2 hours worked
is the unit rate

Answer

$250 is earned after working 3 hours

Question 3

Which of these is a unit rate that matches the proportional relationship represented by this graph?

Accepted Answer

60 miles/1 hour

Answer

60 hours/1 mile

Answer

1 mile/1 hour

Answer

1 hour/60 miles

Question 4

The graph represents a proportional relationships between the cost of electricity and  number of hours.  What is the cost of electricity per hour?

Accepted Answer

$10/hour

Answer

$60/hour

Answer

$20/hour

Answer

$6/hour

Question 5

Which of these are a unit rate for Brian's typing speed?

Accepted Answer

30 words per minute

Answer

60 words per minute

Answer

30 minutes per word

Answer

60 minutes per word

Question 6

Which best describes the graph represented in this table?

Accepted Answer

proportional

Answer

non-proportional

Question 7

What is the constant of proportionality (in miles per hour) based on the table?

Accepted Answer

45 mph

Answer

90 mph

Answer

135 mph

Answer

2 mph

Question 8

Solve for w.

Accepted Answer

w = 16

Answer

w = 6.25

Answer

w = 4

Answer

w = 3.6

Question 9

Solve for r.

Accepted Answer

None of the above.

Answer

r = 9.5

Answer

r = 7.5

Answer

r = 10.6

Question 10

What is the constant of proportionality in the table?

Accepted Answer

3

Answer

1/3

Answer

5

Answer

-3

Question 11

At the beginning of the year, Adrian's savings account balance was $28. Each week, he deposits another $15 into that account, and he doesn't spend any of his savings. Is his savings account balance proportional to the number of weeks since the start of the year?

Accepted Answer

No

Answer

Yes

Answer

Not enough information is given.

Question 12

Satoko has 30 tokens to spend at an arcade. The three lines represent the cost of playing Satoko's three favorite games for various numbers of times. Which game can Satoko play the most number of times with her tokens?

Accepted Answer

KOF

Answer

DDR

Answer

Claw

Answer

All 3 games cost the same number of tokens.

Question 13

Lines A, B, & C show proportional relationships. Which line has a constant of proportionality between y and x of 3?

Accepted Answer

A

Answer

B

Answer

C

Answer

None of the above

Question 14

The following graph shows the proportional relationship between the length and cost of a taxi ride. Which statements about the graph are true?

Accepted Answer

Both are true

Answer

The y-coordinate of point A represents the total cost of a 20 km taxi ride.

Answer

The total cost of a 4 km taxi ride is $1.60.

Answer

None of the above

Question 15

What is 50% of 15?

Accepted Answer

7.5

Answer

30

Answer

7

Answer

8.5

Question 16

16 is 25% of what number?

Accepted Answer

64

Answer

4

Answer

8

Answer

32

Question 17

Edwin got 95% of the questions right on a quiz. If there were 20 questions on the quiz, how many questions did he MISS?

Accepted Answer

1

Answer

5

Answer

15

Answer

19

Question 18

Convert 4/5 to a percent:

Accepted Answer

80%

Answer

45%

Answer

.45

Answer

1.25%

Question 19

Which situation creates a proportional relationship?

Accepted Answer

Renting a movie for $1.30 per day.

Answer

Renting a movie for $1.30 a day along with paying a $5.00 membership fee.

Answer

Renting a movie for $1.30 for the first day and $1 for each day after the first.

Answer

Renting a movie for $1.30 per day with a coupon for $0.50 off the first day.

Question 20

A swimming pool is being filled with water. Which situation represents a proportional relationship between the time the pool is being filled and the water level?

Accepted Answer

An empty pool was filled at a rate of 14 inches per hour.

Answer

A pool started with 2 feet of water and was filled at a rate of 14 inches per hour.

Answer

A pool started with 8 inches of water and was filled at a rate of 14 inches per hour.

Answer

A pool was filled at a rate of 14 inches per hour the first hour and then at a rate of 16 inches per hour until full.

Question 21

A recipe calls for 2 tablespoons of flour for every tablespoon of sugar. Which table shows this relationship?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 22

Tyson earns $0.10 for every can he collects. Which table shows this relationship?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 23

Suppose a family pays $29.99 for a dinner meal. They leave a 15% tip. Find both the tip and the total price of the meal.

Accepted Answer

Tip = $4.50
Total = $34.50

Answer

Tip = $15.20
Total = $45.20

Answer

Tip = $1.10
Total = $31.10

Answer

Tip = $9.40
Total = $24.56

Question 24

Sam bought an $85.00 jacket for 40% off of the regular price. How much did he pay for the jacket?

Accepted Answer

$51

Answer

$75

Answer

$36

Answer

$119

Question 25

Sam bought an $85.00 jacket for 40% off of the regular price. How much did he pay for the jacket?

Accepted Answer

$51

Answer

$75

Answer

$36

Answer

$119

Question 26

Eliza bought a meal that cost $ 12.00. She tipped the waiter 25% of that amount. How much was the tip?

Accepted Answer

$3.00

Answer

$ 15.00

Answer

$ 12.25

Answer

$4.00

Question 27

Mr. Peterson paid $1,020 in interest for a loan, which was given to him at a rate of 5% for 3 years.  How much money did he borrow originally?

Accepted Answer

$6,800

Answer

$5,400

Answer

$3,240

Answer

$14,620

Question 28

Daniel works at a nearby electronics store. He makes a commission of 15% on everything he sells. If he sells a laptop for $293, how much money does Daniel make in commission?

Accepted Answer

43.95

Answer

43.96

Answer

249.50

Answer

24.95

Question 29

Kathy buys a shirt that costs $8.25.  If the sales tax where Kathy lives is 7.5% what is the total cost of Kathy's shirt?

Accepted Answer

$8.87

Answer

$8.25

Answer

$8.85

Answer

$8.26

Question 30

Jade earned a 7% commission on a $500 sale of a boat.  How much was her commission?

Accepted Answer

$35

Answer

$535

Answer

$500

Answer

$50

Question 31

Marty wants to buy an $18.00 DVD that is on sale for 40% off.  How much will Marty pay for the DVD?

Accepted Answer

$10.80

Answer

$18

Answer

$7.20

Answer

$17

Question 32

Sales tax is __________ to the price

Accepted Answer

added

Answer

subtracted

Answer

multiplied

Answer

divided

Question 33

Discount is ____________ from the price.

Accepted Answer

subtracted

Answer

added

Answer

divided

Answer

divided

Question 34

Gratuity (tip) is _______________ to the price.

Accepted Answer

added

Answer

subtracted

Answer

multiplied

Answer

Coach Ed is old

Question 35

Shelley buys a home for $65,000 and sells it an 80% markup.  What is the new price of the home?

Accepted Answer

$117,000

Answer

$5,200

Answer

$52,000

Answer

$70,200

Question 36

You get your nails done and want to leave an 18% tip.  How much should you tip if the bill is $17.50?

Accepted Answer

$3.15

Answer

$20.65

Answer

$14.35

Question 37

A stereo system is marked down from $450 to $382.50.
What is the discount rate?

Accepted Answer

15%

Answer

$67.50

Answer

17.6%

Answer

16

Question 38

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

Accepted Answer

20%

Answer

35%

Answer

25%

Answer

30%

Question 39

Find the percent change.
Original amount: 10
New amount: 12

Accepted Answer

20%

Answer

12%

Answer

15%

Answer

50%

Question 40

What is 10% of 190?

Accepted Answer

19

Answer

190

Answer

1.9

Answer

0.19

Question 41

What number is 30% of 40?

Accepted Answer

12

Answer

36

Answer

15

Answer

8

Question 42

y=kx.  What does the k represent?

Accepted Answer

all of these are correct

Answer

constant of proportionality

Answer

multiplier

Answer

scale factor

Question 43

What is the Constant of Proportionality?

Accepted Answer

k=46

Answer

k=92

Answer

k=0.2

Answer

not proportional

Question 44

What is the constant of proportionality?

Accepted Answer

8

Answer

4

Answer

1/4

Answer

1/8

Question 45

When we compare quantities, we compare them as _____ over ______.

Accepted Answer

y over x

Answer

x over y

Answer

rate over one

Answer

peanut butter over jelly

Question 46

Write the equation for the table given.

Accepted Answer

y = 3x

Answer

y = 1/3x

Answer

y = 1/2x

Answer

y=x

Question 47

Write an equation for the proportional relationship in the table.

Accepted Answer

y=18.50x

Answer

y=18x

Answer

y=22.50x

Answer

y=22x

Question 48

Write an equation for this situation.

Accepted Answer

y=19.25x

Answer

k=19.25x

Answer

y=19x

Answer

y=9.5x

Question 49

Which graph shows a proportional relationship?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

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