xoxokaydavis5177 xoxokaydavis5177
  • 21-08-2017
  • Mathematics
contestada

If train a leaves the station going 60 miles per hour and train b leaves one hour later going 85 miles per hour, how long will it take train b to catch up with train a?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 21-08-2017

Distance = Rate ( speed) x Time
 D=60T Train A

D=85(T-1) Train B.
60T=85(T-1)
60T=85T-85
60T-85T=-85

-25T=-85
 T=-85/-25
T=3.4 Hours


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