Question

A can do a piece of work in 7 days of 9
hours each and B can do it in 6 days of 7
hours each. How long will they take to do it,
working together 8 2/5 hrs a day?​

Answer 1

Step-by-step explanation:

A can complete the work in (7 x 9) = 63 hours. B can complete the work in (6 x 7) = 42 hours.