Proportions Review Pre Algebra

• 8
• 9
• 72
• 12

• 10.8
• 7.5

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

Solve:

• -4

• 10

• 3

• -4

Solve:

• -9

• -28

• 9

• 4

Solve for k

• 165
• 17
• 1/17
• 1/165

Currently, 1 Euro is worth 1.18 American Dollars. How much is 10 American dollars worth in Euros?

• 11.8 Euros

• 8.5 Euros

• 10 Euros

• 6.5 Euros

3 onions cost $2.50. How many onions can you buy for $15

• 6

• 15

• 12

• 18

In an animal shelter, the ratio of cats to dogs is 3 to 5. If there are a total of 25 dogs at the shelter, how many cats do they have?

• 15
• 18
• 21
• 32

6. AMUSEMENT PARKS The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 240 people are in line?

• 32 People
• 32 Min.
• 12.5 Min.
• 12.5 People