Proportional Relationships

There are 4 trucks for every 5 cars in a parking lot. How many trucks and cars could be in the parking lot?

• 64 trucks and 80 cars

• 72 trucks and 73 cars

• 84 trucks and 100 cars

• 96 trucks and 110 cars

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6.RP.1

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

• 3 : 8

• 3 : 5

• 2 : 8

• 2 : 5

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6.RP.1

Sarah earns $400 per week and spends 15% of her earnings on transportation. How much does Sarah spend on transportation every week?

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6.RP.A

RP.4

If 45% of a number, n, is 225, what is 74% of n?

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RP.4

6.RP.A

A motorcycle can go 50 miles using one gallon of gas. About how many gallons of gas will be used to go 150 kilometers? (Note: 1 mile is approximately 1.6 kilometers.)

• 5 gallons

• 3 gallons

• 2 gallons

• 1 gallon

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6.RP.3.d

6.RP.3

• y = 1/5x

• y = 5x

• y = 1/2x

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CCSS.8.EE.B.5

Write the equation of the proportional relationship using the format y = kx.

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CCSS.7.RP.A.2C

What is the constant of proportionality? Use the format k = 2.

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CCSS.7.RP.A.2B

What is the constant of proportionality? Use the format k = 4.

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CCSS.7.RP.A.2B

Is the graph proportional?

• Yes

• No

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CCSS.7.RP.A.2D