Rates Ratios and Proportions

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

Let's pretend there are 147 boys and 210 girls in the 6th grade at AMS.  If so, what is the ratio of girls to boys in the 6th grade at AMS.

• 147 to 210

• 210 to 147

• 21 to 30

• 63 to 147

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If 5 candy bars cost $3.00, how much will 2 candy bars cost?

• $.40

• $.60

• $.80

Tags

CCSS.6.RP.A.3B

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles

• 30 miles

• 3 miles

• 25 miles

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15

• c=18

• c=21

• c=16

What is the unit rate if there are 92 miles driven using 4 gallons of gas?

• 21 miles per gallon

• 22 miles per gallon

• 23 miles per gallon

• 96 miles per gallon

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Austin mowed 7 lawns in 4 hours. At that rate, how long will it take him to mow 21 lawns?

• 11 hours

• 12 hours 

• 21 hours

•  28 hours.

Tags

CCSS.6.RP.A.3B

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2:5

• 5:3

• 3:5

• 5:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of music apps to all apps?

• 5 to 2

• 10:5

• 3:20

• 1 to 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2