A plane flies 256 miles in 30 minutes. What expression represents the rate, in miles per hour, of the plane?

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12-01-2017
Mathematics

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A plane flies 256 miles in 30 minutes. What expression represents the rate, in miles per hour, of the plane?

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MissPhiladelphia MissPhiladelphia · Answer 1 · 2017-01-20T01:25:04+01:00

MissPhiladelphia MissPhiladelphia

20-01-2017

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. To determine the rate, we just divide the distance traveled by the time it takes. Therefore, the rate of the plane would be

rate = 256 / 30(1/60) = 512 miles per hour

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