A scale

A scale on map state that every ¼ of an inch represents 20 miles.if two cities are 3½ inches aparts, how many miles are actually between the two cities?

Correct answer:

x =  280 mi

Step-by-step explanation:

a=1/4=41=0.25 in b=321=3+21=23 2+1=27=3.5 in  x=20 ab=20 0.253.5=280 mi

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