A number (s) is subtracted from seven. When the result is divided by three, the qoutient is two. What is (s)?
2 answers:
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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=
Distance=
Speed of train for on ward trip = 25 mph
Time taken =
Time taken =
Thus, time taken by train in onward journey = 12 hours.