Ratios and Proportions

Which size can has the lowest price per ounce?

• 10 ounces

• 15 ounces

• 18 ounces

• 32 ounces

If 45% of a number, n, is 225, what is 74% of n?

• 185

• 298

• 370

• 406

At Leah's school, 74 students have a cat. There are 258 students at Leah's school. To the nearest tenth of a percent, what percent of students have a cat?

• 18.4%

• 28.7%

• 34.6%

• 40.2%

See picture

• 15

• 20

• 25

• 30

A set of stickers contains 4 hearts for every 6 stars. Which choice contains an equivalent ratio of hearts to stars?

• 6 hearts to 9 stars

• 2 hearts to 4 stars

• 1 heart to 3 stars

• 8 hearts to 10 stars

There are 4 trucks for every 5 cars in a parking lot. How many trucks and cars could be in the parking lot?

• 72 trucks and 73 cars

• 64 trucks and 80 cars

• 84 trucks and 100 cars

• 96 trucks and 110 cars

Seventy-five 6th-grade students chose to watch a movie on the last day of school. This is 25% of the 6th-grade class. How many total students are in the 6th grade?

• 100

• 200

• 300

• 400

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

• 3 : 8

• 3 : 5

• 2 : 8

• 2 : 5

See picture

• 10 ounces

• 15 ounces

• 18 ounce

• 32 ounce

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.