Math, asked by krishnanmuruga3389, 1 year ago

A ,b and c can complete a work in 10,12 and 15 days respectively.they started the work in togther .but a left the work before 5 days of its completion . b also left the work 2 days after a left.in how many days was the work completed

Answers

Answered by kinkyMkye

2

let x be the days to complete it
(x-5)w/10+(x-3)w/12+xw/15=w
solving for x

x=7days

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