Question

If A can complete the work in 3 days, B can complete the work in t days and both A and B can complete the work together in 9/4 days, then find the value.​

Answer 1

Answer:

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Step-by-step explanation:

A takes 3 days to complete the work.

In one day A will complete 1/3 work,

Similarly B takes 6 days to complete the work,

In one day B will complete 1/6 work

So when A and B work together they will take

1/3+1/6 work in 1 day

In 1 day both will complete 1/3+1/6=3/6 work

Whole work will be completed in 6/3 days ie 2 days