Quiz about Rates, Proportions and Percents Unit Review

Question 1

Sassy Jeans are $90 a pair. If they are 40% off today, how much will they cost?

Accepted Answer

$54

Answer

$40

Answer

$126

Answer

$36

Question 2

The old pool held 70 gallons of water. The new pool holds 20% more than the old one. How much water does the new pool hold?

Accepted Answer

84 gallons

Answer

14 gallons

Answer

98 gallons

Answer

102 gallons

Question 3

According to the table, who makes the most money per hour?

Accepted Answer

Cal

Answer

Ann

Answer

Bob

Question 4

Rare Shoes had a regular price of $95, but Jay found them on sale for 50% off. Including the 8% sales tax, what did Jay pay for the shoes?

Accepted Answer

$51.30

Answer

$50.00

Answer

$55.10

Answer

$58.50

Question 5

Use the table to determine how many people it would take to eat 426 grapes.

Accepted Answer

71

Answer

16

Answer

6

Answer

26

Question 6

A store pays $45 for a radio. The store marks the radio up 30%. What is the selling price for the radio?

Accepted Answer

$58.50

Answer

$75

Answer

105.50

Answer

$13.50

Question 7

Ted earns $7.50 an hour. How many hours must he work to earn $90?

Accepted Answer

12

Answer

15

Answer

8

Answer

17

Question 8

Which of the following scenarios is represented by the graph?

Accepted Answer

For every cookie sold, the school earns $0.50

Answer

For every cookie sold, the school earns $0.25

Answer

For every cookie sold, the school earns $1.00

Answer

For every cookie sold, the school earns $2.00

Question 9

Which equation represents the relationship between the number of miles traveled and how much it cost?

Accepted Answer

y = 4x

Answer

y = x

Answer

y = 2x

Answer

y = 3x

Question 10

Bo bought a few items for $93.84, not including tax. If the tax rate was 7%, what was the total cost of these items, including tax?

Accepted Answer

$100.41

Answer

$6.57

Answer

$7.00

Answer

$93.91

Question 11

The graph represents the relationship between x (the number of owls fed) and y (the number of dollars spent). What is the amount of money that will be spent to feed 10 owls?

Accepted Answer

15

Answer

10

Answer

12

Answer

6

Question 12

A model plane is at the scale of 1 inch = 4 feet. Which graph represents this?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 13

The group will slip the bill evenly after adding an 18% tip. How much will each person pay including tip?

Accepted Answer

$11.65

Answer

$7.11

Answer

$9.92

Answer

$1.78

Question 14

A $300 phone is on sale for 20% and you have a coupon for an extra 10% off. How much will you pay for the phone? (no tax) ?

Accepted Answer

$210

Answer

$280

Answer

$197

Answer

$108

Question 15

Find the value of n.

Accepted Answer

n = 2

Answer

n = 4

Answer

n = 6

Answer

n = 5

Question 16

The scale on a road map is 1 inch = 40 miles. What is the actual length of a road that measures 2 1/2 inches on the map?

Accepted Answer

100 miles

Answer

85 miles

Answer

40 miles

Answer

80 miles

Question 17

. Billy Bob earns a 4% commission for each car he sells. He sells a car for $18,750. How much commission does he make for selling that car?

Accepted Answer

$750

Answer

$19500

Answer

$7500

Answer

$18,000

Question 18

The circle graph shows the music preferences of a random sample of 480 radio listeners. How many people listen to Rock?

Accepted Answer

168 people

Answer

35 people

Answer

350 people

Answer

10 people

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