Proportional Relationships and Percentages

Today, everything at a store is on sale. The store offers a 20% discount.

The regular price of a T-shirt is $18. What is the discount price?

• $3.60

• $21.60

• $14.40

• $18.00

Tags

CCSS.6.RP.A.3C

Today, everything at a store is on sale. The store offers a 20% discount.

The discount price of a hat is $18. What is the regular price?

• $3.60

• $14.40

• $22.50

• $32.40

Tags

CCSS.6.RP.A.3C

Today, everything at a store is on sale. The store offers a 20% discount.

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

• 0.8x

• x - 0.2x

• x-20

• 0.2x

Lin’s father is paying for a $20 meal. He has a 15%-off coupon for the meal. After the discount, a 7% sales tax is applied.

What does Lin’s father pay for the meal?

• $23.00

• $18.19

• $21.40

• $28.00

Tags

CCSS.6.RP.A.3C

Tyler’s brother works in a shoe store.

Tyler’s brother earns a commission. He makes 2.5% of the amount he sells. Last week, he sold $900 worth of shoes. How much was his commission?

• $225.00

• $922.50

• $360.00

• $22.50

Tags

CCSS.6.RP.A.3C

Tyler’s brother works in a shoe store.

Tyler’s brother earns $12 per hour. The store offers him a raise—a 5% increase per hour. After the raise, how much will Tyler’s brother make per hour?

• $.60

• $12.05

• $17.00

• $12.60

Tags

CCSS.6.RP.A.3C

Does the table represent a proportional relationship?

• yes

• no

Tags

CCSS.7.RP.A.2A

Does the table represent a proportional relationship?

• yes

• no

Tags

CCSS.7.RP.A.2A

Does the graph represent a proportional relationship?

• yes

• no

Tags

CCSS.7.RP.A.2D

Which equation represents a proportional relationship?

• y = x + 3

• y = x - 9

• y = 7x

• y = 4x + 1

Tags

CCSS.7.RP.A.2C