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

Question

Ramiro Harrison

Mathematics

22 August, 05:57

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

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Le · Answer 1

(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 <===