benjaminbb98 benjaminbb98

18-03-2017
Mathematics

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On a certain map, 3/4 inch represents one mile. What distance, in miles, is represented by 1(3/4)?

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texaschic101 texaschic101

18-03-2017

(3/4) / 1 = (1 3/4) / x......3/4 in. to 1 mile = 1 3/4 in. to x miles
(3/4) / 1 = (7/4) / x
cross multiply
(3/4)(x) = (1)(7/4)
3/4x = 7/4 ....multiply both sides by 4/3, cancelling out the 3/4
x = 7/4 * 4/3
x = 7/3 or 2 1/3 miles <===

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