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Chnossos · Answer 1 · 2016-02-10T03:20:15+0000

Set up a proportion
18 3/4 = n
5 4

Cross multiply across the = sign
5 x n= 5n and 18 3/4 x 4 = 75
5n = 75 now divide both sides by 5
5 5
n=15 Amanda can jog 15 miles in 4 hours.

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