Question

two friends can do a piece of work for $960 . one alone can do it in 12 days and other in 16 days. If with assistance of an expert they finish in 4 days what should be the remuneration the expert should get?
A)$ 700
B)$ 550
C)$ 400
D)$ 350

Answer 1

@LastDayWork

Answer 2

@shamil98

Answer 3

@ganeshie8

Answer 4

Can you find the number of days the expert will take to complete the work on his own ??

Answer 5

1/12 + 1/16 + 1/x = 1/4
x pert = 9.6 hours by himself or $100 per day.
4 days = $400 for the expert.