Question

A and B working alone can finish a piece of work in 8 and 7 days respectively. If they work at it
alternately for a day. A beginning, in how many days will the work be finished ?
(a) 6 days
(b) 7 1/2 days
(c) 9 days
(d) 10 days​

Answer 1

Answer:

b 71/2

Step-by-step explanation:

3356

step 2 =25/99