Walking 3/4 of his usual speed, a peon is 10 minutes too late to his office. Find the usual time to cover the distance.
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Answered by
25
Let his initial speed be y ms^-1.
And distance = d m
Given :
(usual time) × (y) = d
(usual time + 600s) × (3/4) × (y) = d
Therefore,
(usual time) × (y) = (usual time + 600s) × (3/4) × (y)
Let usual time be t.
t = 3( t + 600)/4
4t = 3t + 1800s
t= 1800s = 30 minutes.
Do it usually takes 30 minutes for the peon to reach his office.
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And distance = d m
Given :
(usual time) × (y) = d
(usual time + 600s) × (3/4) × (y) = d
Therefore,
(usual time) × (y) = (usual time + 600s) × (3/4) × (y)
Let usual time be t.
t = 3( t + 600)/4
4t = 3t + 1800s
t= 1800s = 30 minutes.
Do it usually takes 30 minutes for the peon to reach his office.
Please mark as Brainliest
Answered by
2
Answer:
Answer : 30mins
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