2 men and 7 children complete a work in 4 days and 4 men and 4 children complete same work in 3 days find the no of days required to complete the same work by 1 men or 1 child
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let men be x and child be y
2x + 7y=4
4x+4y=3
solve 2 eqn
get x+y as answer
2x + 7y=4
4x+4y=3
solve 2 eqn
get x+y as answer
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mudrax1:
btw child labour is crime
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