I leave home for office at the same time everyday. If i drive at a speed of 10 kmph, i reach 5 minutes after reporting time. And if i drive at a speed of 15 kmph, i am 10 mins before reporting time. Find the distance between home and office.
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Answered by
0
Answer: distance is 30 km
Answered by
1
Answer:
7.5km
Explanation:
15/10=t+(1/4)/t
3/2 = 4t+1/4t
12t - 8t =2
t = 1/2
15*1/2=7.5km
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