Solving Problems About Percent Increase or Decrease

The average number of shirts sold in the shop was 285 every day in summer. As the temperature was lower and lower, the average number of shirts decreased to 114 every day. What was the percentage decrease of in the average number of shirts sold in the shop?

• 60%

• 40%

• 150%

• 171%

Tags

CCSS.6.RP.A.3C

The inventory of single houses is 980 in the housing market last year. After some of them were sold, there are 637 single houses left. What was the percentage decrease in the number of single houses?

• 65%

• 35%

• 53%

• 34%

Tags

CCSS.6.RP.A.3C

Jack bought a bike for $550 and then sold it for $680. What was his percentage profit?

• 130

• 23.6

• 19.1

• 25.2

Tags

CCSS.6.RP.A.3C

Decrease 500 by 30%

• 470

• 350

• 499.70

• 150

Tags

CCSS.6.RP.A.3C

Find the new amount given the original amount and the percent of change.
340 pages; 20% decrease 

• 320 pages

• 240 pages

• 272 pages

• 360 pages

Tags

CCSS.6.RP.A.3C

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%

• 10%

• 11%

• 50%

Tags

CCSS.6.RP.A.3C

Cody weighed 110 pounds when he started 6th grade but now weighs 150 pounds as a 7th grader. What is the percent of increase in his weight?

• 36%

• 26%

• 33%

• 38%

Tags

CCSS.6.RP.A.3C

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%

Tags

CCSS.6.RP.A.3C

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

Tags

CCSS.6.RP.A.3C

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

Tags

CCSS.6.RP.A.3C