Sharing Ratios

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. Find the number of cats.

• c=15

• c=18

• c=21

• c=16

Which of the following ratios are equivalent to 15 : 9? Choose ALL that apply.

• 30 : 18

• 9 : 15

• 16 : 10

• 5 : 3

If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players in simplest form?

• 1 to 2

• 1 to 3

• 2 to 1

• 3 to 1

Eason is making activity baskets to donate to charity.  She has 12 coloring books and 36 crayons.  What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets?

• 2

• 12

• 36

• 6

Simplify

• 2:10

• 1:10

• 1:2

• 2:1

Share 30 in the ratio 2:1

• 2:28

• 20:1

• 20:10

• 10:20

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

A class has 30 students. 18 are boys. What is the ratio of boys to girls? (you must simplify)

• 12:18

• 3:2

• 30:18

• 18:7

Bill and Heather share £45 in the ratio 4:5. How much does Bill get?

• £18

• £15

• £25

• £20

Libby and Grant share £42 in the ratio 3:4. How much do they each get?

• Libby £20; Grant £22

• Libby £24; Grant £18

• Libby £21; Grant £28

• Libby £18; Grant £24