If a bus can travel 240 km in 4 hours ,how many hours does it take to travel 420 km with the same speed?
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the bus can travel 420 km in 7hrs with the same speed
Step-by-step explanation:
given that,
it travels 240km ------> in 4hrs
so, it travels 420km -------> in :420×4÷240
=7hours. (at constant speed)
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