Question

A can do a piece of work in 15 days and
B can do the same work in 18 day. How
-mang days will they tak to finish the
same work together?​

Answer 1

Step-by-step explanation:

• A can done a piece of work is 15 days
• B can done a piece of work is 18 days
• 1/A +1/B=1/15 +1/18=6+5/90
• 90/11

A andB can done a piece of work in 8 2/11 days

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