A M.E.S contractor undertake to renew the floor of a building within 40 days and immediately employ 27 men upon it. At the end of 31 days the work is only half done. How many more men should he employ to complete the work in time?
Answers
Answer:
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your answer is here !
Step-by-step explanation:
=> Days left are (40 – 31) = 9.
=> By chain rule,
=> total no. of men required = 27 × (31/9) = 93,
=> therefore additional men required = 93 – 27 =66 men
=> 66 men is right answer !
=> follow me !
The contractor should employ 66 men to complete the work on time.
Given:
The contractor undertakes to renew the floor of a building within 40 days and immediately employ 27 men upon it. At the end of 31 days, the work is only half done
To find:
How many more men should he employ to complete the work in time?
Solution:
Formula used:
(M₁× D₁ × W₂) = (M₂ × D₂ × W₁)
Where M is the number of men,
D is the number of days and W is the work done
From the data,
At the end of 31 days, 27 men completed 1/2 of the work
Here the remaining work is 1/2 of the work and the number of days is equal to 40 - 31 i.e 9 days
Let 'x' be the number of teachers that will do the remaining work
Using the formula (M₁× D₁ × W₂) = (M₂ × D₂ × W₁)
=> (27 × 31 × 1/2) = (x × 9 × 1/2)
=> (27 × 31) = (x × 9)
=> (x) = (3 × 31)
=> x = 93
Initially, there are 27 men
Hence number of men required = 93 - 27 = 66
Therefore,
The contractor should employ 66 men to complete the work on time.
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