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A cyclist rides her bike at a rate of 8 miles per hour. What is this rate in kilometers per hour? How many kilometers will the cyclist travel in 4 hours? In your computations, assume that 1 mile is equal
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Sep 28, 2017
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A cyclist rides her bike at a rate of 8 miles per hour. What is this rate in kilometers per hour? How many kilometers will the cyclist travel in 4 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers. Do not round your answers.
Mathematics
middle-school
Frank Tzanabetis
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Answer:
51.2
Explanation:
just took the test
Matthew Farwell
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Sep 29, 2017
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Matthew Farwell
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1 mile is equal to 1.6 kilometers, so 8 miles (using a direct proportion) should be equal to 8 * 1.6 = 12.8 kilometers.
The cyclist rides at 12.8 kilometers per hour.
In four hours, the cyclist would have rode 12.8 * 4 = 48 + 3.2 =
51.2 kilometers.
Constanza
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Oct 3, 2017
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Constanza
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