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12 July, 11:19

A car is moving at a fixed speed. The distance D that the car covers is then directly proportional to the time T it moves.

Find the speed of the car. Write a formula that connects D and T. What is the coefficient of variation k equal to?

If D=20 miles when T=15 minutes, write a proportion to find D for T=20 minutes

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  1. 12 July, 13:45
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    I'm not quite sure what questions you want answered so I tried my best

    For speed convert 15 minutes to. 25 of an Hour so divide 20 by. 25 to get a speed of 80 miles per house

    A formula that connects Distance and Time would be Speed=Distance/Time, Distance = Speed * Time, Time = Distance / Speed
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