Understanding Proportional Relationships

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CCSS.7.RP.A.1

A car travels 150 miles in 3 hours. What is the unit rate of the car's speed in miles per hour?

• 45 mph

• 50 mph

• 55 mph

• 60 mph

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following tables represents a proportional relationship? | x | y | |---|---| | 1 | 3 | | 2 | 6 | | 3 | 9 |

• Yes, it is proportional

• No, it is not proportional

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CCSS.7.RP.A.2A

• 1

• 5

• 0

• 10

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CCSS.7.RP.A.2B

A graph of a proportional relationship passes through the points (0, 0) and (4, 8). What is the unit rate?

• 1

• 2

• 4

• 8

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CCSS.7.RP.A.2D

A store marks up the price of a shirt by 25%. If the original price was $40, what is the new price?

• $45

• $50

• $55

• $60

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CCSS.6.RP.A.3C

A customer leaves a 15% tip on a $30 meal. How much is the tip?

• $3.50

• $4.00

• $4.50

• $5.00

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CCSS.6.RP.A.3C

A $200 item is on sale for 20% off. What is the sale price?

• $160

• $170

• $180

• $190

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CCSS.6.RP.A.3C

If a graph of a proportional relationship has a unit rate of 3, which point must lie on the graph?

• (0, 0)

• (1, 2)

• (1, 3)

• (2, 3)

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CCSS.7.RP.A.2D

A bank offers a simple interest rate of 5% per year. How much interest will be earned on a $500 deposit after 2 years?

• $25

• $50

• $75

• $100

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CCSS.7.RP.A.3