SOLUTION: Driving time. The time t required to drive a fixed distance varies inversely as the speed r. It takes 5 hr at 55mph to drive a fixed distance. How long wold it take at 40mph?

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: Driving time. The time t required to drive a fixed distance varies inversely as the speed r. It takes 5 hr at 55mph to drive a fixed distance. How long wold it take at 40mph?      Log On

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Question 240383: Driving time. The time t required to drive a fixed distance varies inversely as the speed r. It takes 5 hr at 55mph to drive a fixed distance. How long wold it take at 40mph?
Answer by Alan3354(21611) About Me  (Show Source):
You can put this solution on YOUR website!
The time t required to drive a fixed distance varies inversely as the speed r. It takes 5 hr at 55mph to drive a fixed distance. How long wold it take at 40mph?
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5*55 = 275 miles
275 mi/40 mph = 6.857 hours