Math, asked by nishashinde476, 9 months ago

A can do a piece of work in 30 days while B alone can do it in 40 days. In how many days
can A and B working together do it?
16 (177)
17 (1/7)
18 (1/7)
19 (1/7)

Answers

Answered by saksham200663

2

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