Ratio and proprtion

Express 45 to 90 in its lowest term.

• 3 : 4

• 2 : 3

• 1 : 2

• 5 : 9

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a class there are 30 boys and 12 girls. Find the ratio of number of boys to number of girls.

• 2 : 5
• 5 : 2
• 3 : 4
• None of the above

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a class there are 15 boys and 20 girls, find the ratio of number of girls to the total number of students in the class 

• 3 : 4
• 4 : 3
• 4 : 7
• 7 : 4

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 of cats.

• c=15
• c=18
• c=21
• c=16

Simplify as fully as possible 28:42

• 14 : 21

• 3 : 2

• 1 : 1.5

• 2 : 3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What ratio is equivalent to 3:5

• 30 : 500

• 9 : 15

• 13 : 1 5

• 1 : 2

Tags

CCSS.6.RP.A.3A

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5
• 1:3
• 3:11
• 3:10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

For every 3 cups of rice you need 2 cups of water, if you use 12 cups of rice, how much water will you need.

• 4
• 8
• 24
• 6

Every 7 days, you work 40 hours. How many hours do you work over 30 days?

• 52.5
• 4.75
• 171.4
• 8.5

Tags

CCSS.6.RP.A.3B

In the recipe of a lemonade 2 cups of sugar is needed for 3 lemons. How many lemons are needed for 6 cups of sugar?

• 4
• 6
• 8
• 9