Math, asked by yogenderdiwakar, 1 year ago

a group uf 171 men could complete a peice of work in 56 day however,some soldier left the group the remaining workforce completed the work in 63 day how many men left the group

Answers

Answered by 9438174347jolly
19
Let the no.of soldiers be x.
If 171 completes the work in 56 days then 171-x would complete the work in 63 days .
It is a case of inverse variation.
171 \times 56 = (171 - x) \times 63 \\ 171 - x = 171 \times 56 \div 63 \\ 171 - x = 152 \\   - x = 152 - 171 \\  -  x =  - 19 \\ x = 19
hence 19 soldiers left the group



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