Question

Time and Work


11. A does 20% less work than B. IL A can finish a piece of work in 7 hours, then B can
finish it in
(a) 5 hours
(b) 5 1/2 hours
(c) 6 hours
(a) 6 1/2 hours​

Answer 1

Answer:

6 1/2 hours

b can finish the work in 6 1/2 hours