A map has a scale of 5 inches : 12 miles. if two cities are 13 inches apart on the map, what is the actual distance between the cities, to the nearest

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14-12-2017
Mathematics

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A map has a scale of 5 inches : 12 miles. if two cities are 13 inches apart on the map, what is the actual distance between the cities, to the nearest

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ktreyb ktreyb · Answer 1 · 2017-12-14T11:36:06+01:00

Set up a proportion that looks like 5/12 = 13/x with X being the actual distance between the cities if they are 13 inches apart on the map.

Then cross-multiply to get 5x = 156. Divide by 5 to isolate the X and get X = 31.2

The cities are a distance of 31.2 miles apart.

I'm guessing your question cut off where you put to the nearest... and you mean to round to the nearest whole number in which case your answer would be just 31 miles apart.