A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. He takes 5 hours in going and coming, find the distance between his house and school.
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Answer:
distance= 6km
Step-by-step explanation:
let the distance be X
t1 = distance/speed
= x ÷ 3
=x/3
t2 = x/2
t1+t2 = x/3 + x/2
5 = 5x/6
5x=30
x=6 km
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