Math, asked by deviindra4182, 1 year ago

A can finish a work in 12 days and b can do it in 15 days.after a had worked for 3 days b also joined a to finish the remaing work

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Answered by sanjivkumar717p721mf

3

they work together for 5 days. it means work went last till 5+3= 8days. take a look at picture..

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