Question

x men can complete a work in 120days. if there were 10 more, the work would be completed in 20 days less find the value of x
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Answer 1

Answer:

Step-by-step explanation:

Step 1:

X takes 120days to complete 1work

1W= (X) men * 120 days

1W= 120X

Lets take this as equation A

Step 2:

X+10 men takes 20 days less than 120days, which is 100 days, to complete a work

So,

1W= (X+10) men * 100 days

1W= 100(X+10)

Lets take this as equation B

Step 3:

Equation the equations A&B

120X=100(X+10)

120X/100=X+10

1.2X=X+10

1.2X - X=10

X(1.2 - 1) = 10

0.2X = 10

X = 10/ (0.2)

X= 50

That is,

Value of X = 50 men (Answer)

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Answer 2

Answer:. 50

Step-by-step explanation: