Percent Increase and Decrease with Equations Practice Problems

The original price of a camera was $50 and the sale price this week is $38. What is the percent of change in the price of the camera?

• 24%

• 12%

• 20%

• 22%

Susie got a raise.  She was making $8.75 an hour.  Now she is making $9.50.  What is the percent of change?

• 6% Increase

• 7% Increase

• 8% Increase

• 9% Increase

Mary lost 30 pounds.  Before her diet she weighed 180 pounds.  What is the percent of change?

• 17% Decrease

• 18% Decrease

• 19% Decrease

• 20% Decrease

Kate had $2,251.35 in her bank account. Currently, she has $1,975.86 in her account. Find the percent of change rounded to the nearest percent.

• 12% decrease

• 12% increase

• 14% increase

• 14% decrease

Ann works in a supermarket for $10.00 per hour. She received a raise to $12.00. What is the percent of change in her hourly wage?

• Increase 16.67%

• Decrease 16.67%

• Increase 20%

• Decrease 20%

A grocery store has a 20% markup on bottle of soda.  The bottle of soda costs the store $1.25. Find the selling price. Round to nearest cent if necessary.

• $1.5

• $1.50

• $.25

• $1.45

Original: 35

New: 70

• 100% increase

• 50% increase

• 200% decrease

• 100% decrease

Original: $350

New: $400

• 14% increase

• 25% increase

• 50% increase

• .14% increase

Original: $30

New: $110

• 267% increase

• 267% decrease

• 80% increase

• 67% increase

Original: 80

New: 52

• 35% decrease

• 35% increase

• 28% decrease

• 28% increase