Verified Answer :

olemakpadu

(3/10) in = (7/8) mi

1 in = (7/8) mi ÷ (3/10)
 
       = 7/8 * (10/3) = 70/24

1 in = (70/24) mi

It means every 1 inch on the map drawing represents (70/24) miles ≈ 2.917 miles in reality.   

This implies that 3/10 inches on the map represents 7/8 miles on actual distance

Conversion Unit

This conversion unit or rate is used to assist use to represent larger values on a smaller piece of paper in this case map. The conversion rate between inches and miles is

\(1mi = 63360inches\)

Data given

  • 3/10 in = 7/8 miles

What this implies is that we would represent 7/8 miles of actual distance by 3/10 inches on the map. This would definitely reduce the size or length of the paper required.

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