Ratios and Proportions

An airplane travels at a constant speed of 320 miles per hour. How far, in miles, will the airplane travel in 15 minutes?

• 80 miles

• 20 miles

• 40 miles

• 60 miles

Tags

CCSS.6.RP.A.3B

Jenny has finished 12 of the 20 lessons in her piano book. Liam has finished the same percent of lessons from his piano book. His book contains 30 lessons. How many lessons has Liam finished?

• 20 Lessons

• 40 Lessons

• 18 Lessons

• 22 Lessons

Tags

CCSS.6.RP.A.3C

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

Tags

CCSS.6.RP.A.3B

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

Tags

CCSS.6.RP.A.3C

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

See picture

• 15

• 20

• 25

• 30

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

Tags

CCSS.6.RP.A.3A

Sarah earns $400 per week and spends 15% of her earnings on transportation. How much does Sarah spend on transportation every week?

• $80

• $60

• $75

• $55

Tags

CCSS.6.RP.A.3C

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

• 185

• 298

• 406

• 370

Tags

CCSS.6.RP.A.3C

See picture

• 10 ounces

• 15 ounces

• 18 ounce

• 32 ounce

Tags

CCSS.6.RP.A.3B