Mathematics
A can do a piece of work in 10 days and B in 15 days. How long will they take to finish it working together?
Direct & Inverse Variations
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Answer
A's 1 day work =
B's 1 day work =
(A + B)'s 1 day work =
=
=
A and B can do the work in days
Hence, A and B can do the work in 6 days.
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