SOLUTION: A scale on a map states that every ¼ of an inch represents 20 miles. If two cities are 3 ½ inches apart, how many miles are actually between the two cities?

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Question 324623: A scale on a map states that every ¼ of an inch represents 20 miles. If two cities are 3 ½ inches apart, how many miles are actually between the two cities?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1/4 is to 20 as 3+1/2 is to X.
%281%2F4%29%2F20=%283%2B1%2F2%29%2FX
1%2F80=%287%2F2%29%2FX
X=80%287%2F2%29
X=280
280 miles