Proportional Reasoning Percents

What percent of 90 is 54?

• 60%

• 40%

• 30%

• 70%

A family sells a car to a dealership for 60% less than they paid for it. They paid $9,000 for the car. For what price did they sell it?

• $4000

• $2600

• $2200

• $3600

Find the percent of change 128 pounds is
increased to 155 pounds.

• 82.58%

• 21.09%

• 17.41%

• 12.09%

Find the percent of change for minimum wage $8.10 increased to $15.00

• 85.19%

• 46%

• 54%

• 83.27%

Mr. Wood smiled 3 out of the 51 days we have been in school, what is the percent of times he did not smile?

• 5.88%

• 16%

• 87.76%

• 94.12%

The amount of time allowed for a test is changed from 20 minutes to 42 minutes. What is the percent of change for the time allowed for a test?

• 47.6% increase

• 110% increase

• 110% decrease

• 47.6% decrease

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%

• 25%

• 30%

• 20%

• Proportional

• Not Proportional

• Proportional

• Not Proportional

What is the constant of proportionality based on the table above?

• 1/75

• 75

• 1

• 0