Ratios and Proportions
Ratios, Rates, and Unit Rates
Test Quest
Solving Proportions
Vocabulary
100
Simplify to tell whether the ratios are proportional. 8:22 and 2:11
No
100
Yoshi’s yogurt contains 15 calories per ounce. How many calories are in an 8-ounce container of Yoshi’s yogurt?
120 calories
100

In 4 hours, a car traveled 96 miles. Find the unit rate of miles per hour. 

24 mph

100
Change the proportions to fraction form and then use cross products to see if they are proportional. 2:9 and 6:27
54=54 yes
100
A __________ is a comparison of two quantities by division.
Ratio
200
Simplify to tell whether the ratios are proportional. 6:9 and 10:18
no
200
Emily earns $7.50 per hour. How much does she earn in 3 hours?
$22.50
200

Are the following ratios proportional? 

4/5 and 8/15

No, because 5 x 2 is 10

200
Change the proportions to fraction form and then use cross products to see if they are proportional. 5:7 and 10:15
75 not equal to 70; no
200
Ratios that make the same comparison are ____________________.
equivalent ratios
300
Simplify to tell whether the ratios are proportional. 49:28 and 35:20
Yes
300
An antelope can run 152.5 miles in 2.5 hours. What is average speed of the antelope?
61 miles/hour
300

A 12 pack of soda cost $9.75. How much does one soda cost? 

$1.23 per soda

300
Change the proportions to fraction form and then use cross products to see if they are proportional. 10:25 and 6:15
150=150 yes
300
A __________ is a comparison of two quantities that have different units.
rate
400

A pancake recipe calls for 2.5 cups of pancake mix to make 10 servings. Carmen uses 3 cups of mix to make 14 servings. Does Carmen have the correct ratio for the recipe? Explain.

No; she needs 3.5 cups of pancake mix to make 14 servings.

400

Bob and Marquis went on a trip. The first day, they drove 464 miles in 8 hours. What is their average speed for the first day of their trip?

58 mi/hr

400

Clayton High spent $1080 on new uniforms for 18  players. How much did they spend on each player?

$60 per player

400

A bubble solution can be made with a ratio of one part detergent to eight parts water. Would a mixture of 56 oz. of water and 8 oz. of detergent represent the same ratio? Explain

no because the cross products are not proportional

400
_______________________ are rates in which the second quantity is 1.
Unit Rates
500

Cal pays his employees weekly. He would like to start paying them four times the weekly amount on a monthly basis. Is a month equivalent to four weeks? Explain.

No February is the only month that has 28 days. Every other month has 30 or 31 days.

500

A race car was attempting to set a record. The race car went 999 feet in 4.5 seconds. What is the average speed of the race car?

222 ft/sec

500

Doritos cost $13 for 8 bags and Cheetos cost $17 for 11 bags. Which is the better buy?

Doritos- $1.63

*Cheetos- $1.55

500

The ratio of an object's weight on earth to its weight on the moon is 6:1. The first person to walk on the moon was Neil Armstrong. He weighed 165 lb on earth. What was his weight on the moon?

27.5 pounds

500

A ________________ is a statement that two ratios or rates are equivalent.

Proportion

M
e
n
u