Ratio and Proportions Scaling

Multiply the denominator and the numerator by the same factor

• Scaling Up

• Proportions

• Ratio

• Scaling Down

Divide the denominator and the numerator by the same factor

• Proportions

• Scaling Down

• Ratio

• Scaling Up

What is 90% of 50 ?

• 9

• 18

• 40

• 45

What is 70% of 120 ?

• 7/12

• 12 * 7

• 12/7

• 12 + 7

What is 30% of 45 ?

• 10

• 13.5

• 15

• 33.3

What is 75% of 24 ?

• 6

• 18

• 20

• 16

What is 75% of 300 ?

• 22.5

• 112.5

• 225

• 275

What is 80% of 60 ?

• 48

• 45

• 24

• 140

What is 70% of 25 ?

• 12.5

• 15.5

• 17.5

• 22.5

What is 25% of 60 ?

• 40

• 35

• 20

• 15