Running at an average speed of 40 km/hr, a bus completes a journey in 4|1/2 hours
How much time will the return journey take if the speed is increased to 45 km/hr?
45km /hr?
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Answer:
4 hours
Step-by-step explanation:
Initial speed= 40 km/hr
Time= 4 1/2 hours
Distance= 40*4.5=180 km
Time on return journey= 180/45= 4 hours
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