#### Answer

3 miles

#### Work Step by Step

A to B = 5 miles
B to C = 13 miles
A to B to C = 5 + 13 = 18 miles
A to C = 15 miles
Detour from A to C is 3 miles longer than the road from A to C.

Published by
Brooks Cole

ISBN 10:
1439047901

ISBN 13:
978-1-43904-790-3

3 miles

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