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15 October, 11:03

The reynolds family drove 385 miles in 7 hours. the keller family drove 477 miles in 9 hours. which family traveled at the higher rate of speed and what was this rate?

a. reynolds; 53 mi/h

b. reynolds; 55 mi/h

c. keller; 53 mi/h

d. keller; 55 mi/h

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  1. 15 October, 12:15
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    The theme is a uniform movement characterized by constant speed.

    Formula for speed is V=S/t

    reynolds family Vr = 385 / 7 = 55 mi/h

    keller family Vk = 477 / 9 = 53 mi/h
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