Quiz about Ratios & Proportions SC Ready Review

Question 1

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

Accepted Answer

12 pack

Answer

8 pack

Question 2

The Williams family bought four concert tickets for $252.  What was the price per ticket?

Accepted Answer

$63.00

Answer

$60.00

Answer

$6.30

Answer

$62.00

Question 3

A car travels 320 miles in 8 hours. What is the unit rate?

Accepted Answer

40 miles per hour

Answer

45 miles per hour

Answer

80 miles per hour

Answer

60 miles per hour

Question 4

What makes a graph proportional?

Accepted Answer

Straight line and passes through (0,0)

Answer

Straight Line

Answer

The line goes through (0,0)

Answer

Curvy line

Question 5

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 6

What is the constant of proportionality?

Accepted Answer

15

Answer

5

Answer

75

Answer

25

Question 7

What is the constant of proportionality?

Accepted Answer

$9

Answer

$3

Answer

$4

Answer

$2

Question 8

What is the equation y=kx for the table?

Accepted Answer

y=3x

Answer

y=1/3x

Answer

y=5x

Answer

y=1/5x

Question 9

What is the unit rate in this proportional relationship?

Accepted Answer

60 miles/1 hour

Answer

120 miles/ 2 hours

Answer

1 mile/ 1 hour

Question 10

A 6 oz. yogurt costs $0.89,

an 8 oz. yogurt costs $1.04,

a 10 oz. yogurt costs $1.69,

and a 32 oz. yogurt costs $4.79.

Which size yogurt has the best price per ounce?

Accepted Answer

8 oz

Answer

6 oz

Answer

10 oz

Answer

32 oz

Question 11

The cost to rent a bike at Tropical Park is $25 for 1 hour. Which of the following statements are true? SELECT ALL THAT APPLY

Accepted Answer

$75 to rent a bike for 3 hours

Accepted Answer

$50 to rent a bike for 2 hours

Answer

$3 to rent a bike for 75 hours

Answer

$2 to rent a bike for 50 hours

Question 12

The cost to rent a bike at Tropical Park is $25 for 1 hour. If the cost to rent a bike for 2 hours is $50 and the cost to rent a bike for 3 hours is $75, which of the following statements are true? SELECT ALL THAT APPLY

Accepted Answer

The example shows a direct variation between the cost and hours to rent a bike.

Accepted Answer

The constant is $25 per 1 hour.

Accepted Answer

The example shows a proportional relationship.

Answer

The example shows a non-proportional relationship.

Question 13

You spend 2 hours watching t.v. then spend 8 hours sleeping. What is the ratio of t.v. to sleep?

Accepted Answer

2 : 8

Answer

8 : 2

Answer

8 to 2

Answer

8/2

Question 14

What is the ratio of red apples to green apples

Accepted Answer

4 red apples to 3 green apples

Answer

7 apples to 3 green

Answer

4 red apples to 7 apples

Answer

3 green apples to 4 red apples

Question 15

Which part of the problem is missing?

"18 is 30% of what number?"

Accepted Answer

whole

Answer

part

Answer

percent

Question 16

Dan earned 18 out of 25 points on his math quiz. What percent of the questions did Dan get correct?

Accepted Answer

<math><semantics><mrow><mn>72</mn><mi mathvariant="normal">%</mi></mrow><annotation encoding="application/x-tex">72\%</annotation></semantics></math>72%

Answer

<math><semantics><mrow><mn>7</mn><mi mathvariant="normal">%</mi></mrow><annotation encoding="application/x-tex">7\%</annotation></semantics></math>7%

Answer

<math><semantics><mrow><mn>18</mn><mi mathvariant="normal">%</mi></mrow><annotation encoding="application/x-tex">18\%</annotation></semantics></math>18%

Answer

<math><semantics><mrow><mn>64</mn><mi mathvariant="normal">%</mi></mrow><annotation encoding="application/x-tex">64\%</annotation></semantics></math>64%

Question 17

If you are purchasing an item for $35.99 with a 5% sales tax, what is the total cost?

Accepted Answer

$37.79

Answer

$1.80

Answer

$17.80

Answer

$53.99

Question 18

A salesperson receives 12% commission on his $800 sale? What is the commission he will earn?

Accepted Answer

$96

Answer

$704

Answer

$896

Answer

$9.60

Question 19

You mow the lawn for your neighbor and they pay you $40 and always add a 15% tip. How much will you make total?

Accepted Answer

$46

Answer

$6

Answer

$34

Answer

$640

Question 20

For a craft project, you select four packages of modeling clay ($2.79 each plus tax) and a set of tools ($1.79 plus tax). If there is a 6% sales tax, what is the total cost?

Accepted Answer

$13.73

Answer

$12.95

Answer

$0.78

Answer

$7.77

Question 21

A product is originally priced at $55 and is on sale for 25% off. How much is the discount?

Accepted Answer

$13.75

Answer

$11.25

Answer

$14

Answer

$41.25

Question 22

Sam bought an $85.00 jacket for 40% off of the regular price. What is the sale price of the jacket?

Accepted Answer

51

Answer

75

Answer

36

Answer

81

Question 23

You are buying a sweatshirt that was $50 last week. For some reason, the store is selling it for $60 this week. What is the percent increase for the price of the sweatshirt?

Accepted Answer

Increase 20%

Answer

Increase 16.67%

Answer

Increase $10

Answer

Decrease $10

Question 24

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

Accepted Answer

Decrease 50%

Answer

Increase 50%

Answer

Increase 1%

Answer

Decrease 1%

Question 25

Ann works in a supermarket for $10.00 per hour. She received a raise to $12.00. What is the percent of change in her hourly wage?

Accepted Answer

Increase 20%

Answer

Increase 16.67%

Answer

Decrease 16.67%

Answer

Decrease 20%

Question 26

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%

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