Question

When the average speed of a car is
70

km/h
, it covers a certain distance in
6
hours. Find its average speed if it covers the same distance in
7
hours and 30 minutes
.

Answer 1

Answer:

Average speed=70km/h

Time taken=6 hour

So,Distance travel be D =A×T

=70km/h×6h

=420km

Distance travelled =420km

Now, Time taken given as=7hour 30 min

= 7.5hour

Its average speed=D/T

=420km÷7.5hour

=56km/h

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