Solve the following
(4-5-20)
1. P and Q can do a piece of work in 20 days and 30 days respectively they started the work
together and O left after some days of work and P finished the remaining work b5 days After
how many days fromthe start did o leave?
Answers
Answered by
0
Answer:
8 Days
Step-by-step explanation:
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