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 ->  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


   



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(69443) 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?
---------------
5*55 = 275 miles
275 mi/40 mph = 6.857 hours