Solving Proportions - Blue

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What is a proportion?

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A proportion is an equation that states that two ratios are equal.

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CCSS.7.RP.A.2A

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How do you determine if two ratios form a proportion?

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Two ratios form a proportion if their cross products are equal.

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CCSS.7.RP.A.2A

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CCSS.6.RP.A.3A

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CCSS.7.RP.A.2A

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CCSS.7.RP.A.2C

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If a bird flies 35 meters in 10 seconds, what is its speed in meters per second?

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How long will it take a bird flying at 3.5 m/s to fly 14 meters?

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CCSS.6.NS.B.3

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What is the exchange rate if 1 Jamaican dollar equals 0.5 US dollars?

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The exchange rate means you get 2 Jamaican dollars for every 1 US dollar.

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CCSS.6.RP.A.3B

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If Jessica exchanges $28 at the rate of 1 Jamaican dollar for 0.5 US dollars, how much Jamaican money does she get?

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She gets $56 Jamaican dollars.

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CCSS.6.RP.A.3B

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If a car travels 120 miles in 3 hours, what is its speed in miles per hour?

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CCSS.6.RP.A.2

CCSS.6.RP.A.1