Question
A certain number of men can complete a work in 50 days.
If 10 more men are added, the work can be completed in 40 days. Find the original number of men.Solution
ATQ, Let the original number of men be x. x men × 50 days = (x + 10) men × 40 days Solving for x, we get: 50x = 40(x + 10) 50x = 40x + 400 10x = 400 x = 40
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