and B together finish a work piece of work in 12 days alone if a alone can finish the same work in 20 days in how many days we can complete this work A and B together finish a work in 12 days if a alone can finish the same work in completed in how many days we can complete the work
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20×12/20-12=30
30 days
formula is a×b/a-b
20×12/20-12=30 days.
30 days
formula is a×b/a-b
20×12/20-12=30 days.
surendarrushi31:
thank you for solving but can you please solve again
why u cant understand or that is wrong ans
it's correct but you please explain clearly and stepwise
ok
r u understand
thank you very much
welcome
can you solve stepwise
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