Question

A freight train made a trip to a repair. On the trip there it travelers 25 mph and on the return trip it went 20 mph. How long did there take if the return trip took 15 hours?

Answer 1

Answer:

Time taken by train in onward journey = 12 hours.

Step-by-step explanation:

Given:

Speed of train making a trip to a repair = 25 mph

Speed of train on return trip = 20 mph

Time taken for return trip = 15 hours

To find the time taken on the on wards trip.

Solution:

The distance traveled by the train on the trip and return trip is the same as the y are of same trips in opposite directions.

Distance can be calculated by using the data for the return trip.

Distance= $Speed\times Time$

Distance= $20\ mph\times 15\ h=300\ miles$

Speed of train for on ward trip = 25 mph

Time taken = $\frac{Distance}{Speed}$

Time taken = $\frac{300\ miles}{25\ mph}= 12\ h$

Thus, time taken by train in onward journey = 12 hours.