LB
109 A car travelling at 72 km/h covers a
certain distance in 6 hours. What
should be the decrease in speed, if the
same distance is to be covered in
8 hours ? What time will it take to
cover the same distance at the speed of
90 km/h?
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Answered by
3
Answer:
Step-by-step explanation:
Given that time taken for riding both ways will be
2
hours lesser than the time needed for waking one way and riding back.
Therefore,
time needed for riding one way = time needed for waking one way -
Given that time taken in walking one way and riding back
Hence, the time he would take to walk both ways
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