SOLUTION: on a map, 1 inch equals 20 miles if two cities are 9 inches on the map how far are they actually apart?

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Question 919690: on a map, 1 inch equals 20 miles if two cities are 9 inches on the map how far are they actually apart?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +d+ = actual distance apart
Set up a ratio:
+1+%2F+20+=+9+%2F+d+
Multiply both sides by +20d+
+d+=+180+
They are 180 mi apart