Question

a,b and c do a job 12,15and 2o days resectively.how long will they take to comolete together

Answer 1

Mark this answer as brainliest answer

Answer 2

Hey!

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•A is denoted one day

Work= 1/12

•B is denoted one day

Work= 1/15

•C is denoted one day

Work= 1/20

So :-

Add all work :-

1/12+1/15+1/20

15+12+9/180

36÷180 =1/5

So All can complete their work in 5 days

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Regards :)

Yash Raj ✌