SOLUTION: You can bicycle 5 mi in 40 min at that rate, how long does it take to travel 18 mi

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Question 1004165: You can bicycle 5 mi in 40 min at that rate, how long does it take to travel 18 mi
Answer by ikleyn(52810) About Me  (Show Source):
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You can bicycle 5 mi in 40 min at that rate, how long does it take to travel 18 mi
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Solve this proportion for x (time).

5%2F40 = 18%2Fx.

By the way, the left side is the speed.