Percents Unit Review (7th grade)

Brennan wants to purchase a new rug to go in the nursery. The rug costs $56, but she has a coupon for 15% off. How much will the rug cost if she uses the coupon?

• $47.60

• $50.00

• $45.00

• $55.00

Tags

CCSS.6.RP.A.3C

A recipe calls for 14.0 grams of butter. If there is a 15% error on the weight, what is the range of acceptable weight?

• 11.9 – 14.0 grams

• 11.9 – 16.1 grams

• 14.0 – 16.1 grams

• 12.5 – 15.5 grams

Tags

CCSS.6.RP.A.3C

A recipe for passion tea lemonade calls for 3 cups of passion tea and 1 cup of lemonade. Which equation can be used to find x, the percent of lemonade in the recipe?

A local farmer’s market sells a dozen eggs for $5.35. Based on this information, which of the following could be true?

• $10.70 for 18 eggs

• $13.38 for two dozen eggs

• $26.75 for four dozen eggs

• $16.05 for three dozen eggs

Tags

CCSS.6.RP.A.3B

Landon plans to borrow $2,300 from the bank to purchase a new furniture set. If he borrows the money at a rate of 5% simple interest for 2 years, what is the total amount he will have to pay back to the bank?

• $2,675

• $2,480

• $2,600

• $2,530

Tags

CCSS.7.RP.A.3

Last week, Keyra spent $105 at the grocery store. This week, she spent $126 at the grocery store. By what percentage did the cost of her grocery bill change?

• An increase of 17%

• An increase of 20%

• A decrease of 17%

• A decrease of 20%

Tags

CCSS.6.RP.A.3C

Erika put $10,400 in a savings account that earns 3% annual simple interest. Assuming she makes no additional deposits or withdrawals, how much interest will Erika earn after 4 years?

• $1,248

• $3,120

• $11,648

• $1,700

Tags

CCSS.7.RP.A.3

A commercial popcorn machine makes about 9 cups of popcorn every 5 minutes. Based on this information, which of the following could NOT be true?

• The popcorn machine makes 27 cups in 15 minutes.

• The popcorn machine makes 108 cups in one hour.

• The popcorn machine makes 54 cups in 30 minutes.

• The popcorn machine makes 72 cups in 45 minutes.

Tags

CCSS.6.RP.A.3B

A candy store taking inventory estimates that they have 162 ounces of dark chocolate candy remaining. In actuality, there are 180 ounces of dark chocolate candy remaining. What is the percent error?

• 4.5%

• 10%

• 5%

• 9%

Tags

CCSS.6.RP.A.3C

Alora pays $18.50 for 2.5 kg of organic dried fruit. What is the price per kilogram of dried fruit?

• $7.40

• $5.50

• $8.20

• $6.30

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2