scooters drives at the rate of 24 km/ hr from his home he reaches his workplace 5 minutes late.But if he drives at the rate of 30km/hr,he reaches his work place 4 mins early.
Find the distance of his work place from his home.
Answers
Answered by
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is the answer 40km? . .
Bibhansu:
no its 18 km
Late DATA:
rate = 24 km/hr ; distance = x km ;time=d/r= x/24 hrs = 60(x/24)= 2.5x minutes
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Early DATA:
rate = 30 km/hr ; distance = x km ;time=d/r = x/30 hrs = 60x/30 = 2x mi2.5nutes
==============
Equation:
Late time - Early time = 9 minutes
2.5x - 2x = 9
0.5x = 9
x = 18 km
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rate = 24 km/hr ; distance = x km ;time=d/r= x/24 hrs = 60(x/24)= 2.5x minutes
---
Early DATA:
rate = 30 km/hr ; distance = x km ;time=d/r = x/30 hrs = 60x/30 = 2x mi2.5nutes
==============
Equation:
Late time - Early time = 9 minutes
2.5x - 2x = 9
0.5x = 9
x = 18 km
----
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