SOLUTION: If 5 inches represent 115 miles. What does 6.5 represent in miles?

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Question 1117574: If 5 inches represent 115 miles. What does 6.5 represent in miles?
Answer by ikleyn(53763) About Me  (Show Source):
You can put this solution on YOUR website!
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Use a proportion

5%2F115 = 6.5%2Fx


and find the unknown value x from it:


x = %28115%2A6.5%29%2F5 = 149.5.


Answer.  6.5 inches represent 149.5 miles.

- Why proportions work in this case?

- It is how mapping works.

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