Question

a can complete a work in 12 days. B can complete a work in 20 days. A and B together work for 3 days after that A left the work. B can complete the remaining work in​

Answer 1

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☆ 9 Days ☆.

Step-by-step explanation:

5( A + B) + 3C = 605( A + B ) + 3C = 60 unit

5 × 8 + 3c = 605 × 8 + 3c = 60

3C = 20

C = 20/3 units/day

Time taken by C = 60/20/3

=60×3/20 = 9 days