Review Unit 4 : Proportional Relationships and Percentages

1. Pedro has a recipe for yellow cake. He uses  $9\frac{1}{3}$    cups of flour to make 4 cakes. Noel will follow the same recipe. He will make c cakes using f cups of flour. Which of these equations represent the relationship between and ?

•  $c=\frac{16}{3}f$  

•  $c=\frac{3}{16}f$  

•  $c=\frac{3}{7}f$  

•  $c=\frac{7}{3}f$  

Tags

CCSS.7.RP.A.3

A graduated cylinder actually contains 7.5 milliliters of water. When Han measures the volume of the water inside the graduated cylinder, his measurement is 7 milliliters. Which of these is closest to the percent error for Han’s measurement?

• 107.1%

• 93.3%

• 7.1%

• 6.7%

Tags

CCSS.6.RP.A.3C

It takes Diego  $\frac{1}{24}$  of an hour to complete a lap on a circular bike track. The track is  $\frac{1}{3}$  mile long. What is Diego's bike speed?

•  $\frac{1}{8}$  miles per hour

•  $\frac{1}{8}$  hours per mile

• 8 miles per hour

• 8 hours per mile

Tags

CCSS.7.RP.A.1

A practice field is 250 feet long. The game field is 40% longer than the practice field. How long is the game field?

(a)  

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CCSS.6.RP.A.3C

Noah has a coupon for 30% off at his favorite clothing store. He uses it to buy a hoodie and a pair of jeans.

Noah paid $28 for the jeans after using the coupon. What is the regular price of the jeans?

(a)  

Tags

CCSS.6.RP.A.3C

Noah has a coupon for 30% off at his favorite clothing store. He uses it to buy a hoodie and a pair of jeans.

The regular price of a hoodie is $27. What did Noah pay for the hoodie?

(a)  

Tags

CCSS.6.RP.A.3C

Noah has a coupon for 30% off at his favorite clothing store. He uses it to buy a hoodie and a pair of jeans.

If the regular price of an item is x dollars, what is the discount price in dollars?

(a)  

Tags

CCSS.6.RP.A.3C

Kiran’s mother gets a restaurant bill for $25. She has a coupon for 15% off. After the discount is applied, she adds 20% as a tip.

What is the total after the discount and tip?

• $25.50

• $25.35

• $21.25

• $24.85

Tags

CCSS.6.RP.A.3C

Jada’s sister earns $15 per hour. The store offers her a raise—a 9% increase per hour. After the raise, how much will Jada’s sister make per hour?

(a)  

Tags

CCSS.6.RP.A.3C

The store bought a table for $200, and sold it for $350. What percentage was the markup?

• 175%

• 75%

• 157.1%

• 57.1%

Tags

CCSS.6.RP.A.3C