abigailebrowne abigailebrowne

15-01-2018
Mathematics

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sean runs 3 1/2 miles in 28 minutes how long did it take him to run 1 mile

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texaschic101 texaschic101

15-01-2018

3 1/2 = 3.5

3.5 / 28 = 1 / x......3.5 miles to 28 minutes = 1 mile to x minutes
cross multiply
(3.5)(x) = (28)(1)
3.5x = 28
x = 28 / 3.5
x = 8 minutes <===

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