On A Map,if Inch Equals 20 Miles,how Many Inches Is 180 Miles?

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Oddman Profile
Oddman answered
That would be (180 mi)/(20 mi/in) = 180/20 in = 9 in.

If you pay attention to the units, you can write it however you feel comfortable. Another way to do it is this
(180 mi)*((1 in)/(20 mi)) = 180/20 in = 9 in
The main thing is to use to advantage the ratio (1 in)/(20 mi) or (20 mi)/(1 in).

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