Percent, Tax and Simple Interest

Michelle bought a new tablet for $360 last month. Now, it is priced at $280. What is the percent of change in the price of the tablet?

• 9%

• 22.2%

• 80%

• 800%

Tags

CCSS.6.RP.A.3C

A $30 pair of jeans is on sale for $15. What is the percent of change for the pair of jeans?

• 10%

• 15%

• 25%

• 4%

Tags

CCSS.6.RP.A.3C

Erika decreased the amount of salt she consumes every day from 5,000 mg to 2,000 mg. By what percentage did Erika decrease the amount of salt she consumes?

• 60%

• 15%

• 25%

• 40%

Tags

CCSS.6.RP.A.3C

A pair of basketball shoes was originally priced at $80, but was marked up 30%. What was the retail price of the shoes?

• $24

• $110

• $104

• $83

Tags

CCSS.6.RP.A.3C

Naomi planted 45 tulip bulbs last year. If the number of tulips increased by 40% this year, how many tulips does Naomi have now?

• 18 tulips

• 85 tulips

• 27 tulips

• 63 tulips

Tags

CCSS.6.RP.A.3C

Last year the chess club had 30 members. If membership has decreased by 30%, how many members are currently in the club?

• 21 members

• 9 members

• 60 members

• 39 members

Tags

CCSS.6.RP.A.3C

Sally went to the clearance rack at a department store and found a shirt she wanted to buy.  The shirt was $36.00 and is on sale for $24.00.  What is the percent of the decrease?

• 33%
• 67%
• 50%
• 34%

Tags

CCSS.6.RP.A.3C

Find the percent error. You estimate that you sent 135 texts last week but when you get the bill it was actually 108. 

• 20%
• 25%
• 30%
• 18%

Tags

CCSS.6.RP.A.3C

You estimate that 200 people attend a school concert. The actual attendance was 240.   What is the percent error?

• 20%
• 18%
• 16%
• 17%

Tags

CCSS.6.RP.A.3C

You guessed that there were 256 gumballs in the jar. There were actually 510. Find your percent error. Round to the nearest tenth if necessary.

• 49.8%
• 49.9%
• 50.2%
• 50.3%

Tags

CCSS.6.RP.A.3C