A certain number of men can complete a piece of work in 160 days. If there are 30 men less, it will take 20 days more for the work to be completed. How many men were there originally?
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Answer:
your answer is 120 men.
Step-by-step explanation:
No. of days=160
no.of men=x
men left=x-30
days increased by=160+20=180
no. of days=160 180
no. of men=x x-30
=160/180=x-30/x
=160x =180x-2400
=2400= 180x - 160x
=2400= 20x
x=120 men
hope it helps.....
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