. A can do a piece of work in 35 days and B can finish it in 28 days. They work together
for 7 days and then A leaves the work. In how many days can B finish the remaining
work?
Answers
Answered by
1
Answer:
Supose A left after x days Then Work of (A + B) for x days =
28
x
+
35
x
Work of B for 17 days =
35
17
∴
28
x
+
35
x
+
35
17
=1⇒
140
5x+4x
=1−
35
17
=
35
18
⇒
140
9x
=
35
18
⇒x=
35×9
18×140
=8 days
Similar questions