Math 7 March 13

8 is what percent of 20?

• 40%
• 20%
• 250%
• 2.5%

What is 20% of 45?

• 9
• 44.44
• 225
• 12

18 is 40% of what number?

• 45
• 18
• 7.2
• 40

If Jake makes 5 out of every 7 shots he makes at the free throw line.  What is the ratio of shots made to shot missed?

• 7:5
• 5:7
• 5:2
• 7:2

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

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30
• $20
• $60
• $10

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many computers would you expect to have?

• 39 Computers

• 4.3 Homes

• 39 Homes

• 4.3 Computers

What is a proportion?

• When two ratios can be simplified

• When two ratios are equivalent and show the same value

• When two ratios have the exact same numbers

• When two ratios can be multiplied by 2

What is the missing number in the ratio table?

• 21

• 24

• 27

• 25