A and B can finish a piece of work in 16 days and 12 days respectively. A started the work abd worked ai it for 2 days. He was then joined by B. Find the total time taken to finish the work.
Answers
Answered by
1
Answer:
6 days
Step-by-step explanation:
Let whole work be W.
⇒ Work done by A in one day =
16
W
Work is done by B in one day =
12
W
⇒ A worked for 2 days =2×
16
W
=
8
W
A and B worked for x days ( let )
⇒
8
W
+x(
16
W
+
12
W
)=W
⇒x×
48
7
=
8
7
⇒x=6 days.
Hence, the answer is 6 days.
Similar questions