Asked by Mohammad
A train travels between two towns 135
km apart in 4½ hours. If on the return
journey the average speed is reduced by 3
km/h, calculate the time taken for the
return journey.
km apart in 4½ hours. If on the return
journey the average speed is reduced by 3
km/h, calculate the time taken for the
return journey.
Answers
Answered by
Anonymous
speed = 135 km /4.5 hr = 30 km / hr
NEW speed = 30 - 3 = 27 km/hr
new time = 135 km / 27 km/hr = 5 hours
NEW speed = 30 - 3 = 27 km/hr
new time = 135 km / 27 km/hr = 5 hours
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