It takes 10 road workers 5 days to complete a road repair when working 2 hours a day. How many days will it take 2 people working 5 hours a day to finish it
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Solution:
Here we have three quantities
i.e number of workers(m) , number
of hours per day(H) and number
of days(D)
case 1:
m1 = 10
d1 = 5
h1 = 2
case 2 :
m2 = 2
d2 = ?
h2 = 5
We know that,
m2*d2*h2 = m1*d1*h1
=> 2×d2 × 5 = 10×5×2
=> d2 = (10×5×2)/(2×5)
After cancellation, we get
=> d2= 10
Therefore,
2 people working 5 hours a day
finish the work in 10 days
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