SOLUTION: A person walks from one place to another place at a speed of 4km/hr.if he walks at a speed of 5 km/hr ,he reaches the place 7 minutes earlier .find the distance between the two pla

Question 935424: A person walks from one place to another place at a speed of 4km/hr.if he walks at a speed of 5 km/hr ,he reaches the place 7 minutes earlier .find the distance between the two places
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A person walks from one place to another place at a speed of 4km/hr.if he walks at a speed of 5 km/hr ,he reaches the place 7 minutes earlier .find the distance between the two places
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d = r*t
t = d/r
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t = d/4
t - (7/60) = d/5
--
d/4 - (7/60) = d/5
15d - 7 = 12d
3d = 7
d = 7/3 km

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