Question

Planning
09
+
A, B, C individually can do a work in 10, 12 and 15 days
respectively. They start working together. But 5 days before the
work is finished A leaves and B leaves 3 days before it is finished.
What time is take...o finish the work ?
BISA
ASB
SBISA
A SE
SBISA
SA SBIS
SBISA S
A SBIS
SBISA S
A SBIS
BISA S
A SBIS
SBISA S
JA SBIS
BISA S
A SBIS/
BISA SI
A SBISA
BISA SI
A SBISA
BISA SE​

Answer 1

Answer:

I don't know this answer