julietmartinez2
julietmartinez2 julietmartinez2
  • 21-04-2017
  • Mathematics
contestada

If a train travels between two cities in 3 hours at an average speed of 65 miles per hour how long would it take at an average speed of 80 miles per hour

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ricros17
ricros17 ricros17
  • 21-04-2017
3•65=195 miles

195/80= 2.438 hours, or 2 hours 26 minutes 15 seconds
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LovesKawaii
LovesKawaii LovesKawaii
  • 21-04-2017
let t = time at 80 mph
An inverse proportion equation
 = 
80t = 65 * 3
t = 195/80
t = 2.4375 hrs

I hope I helped you!
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