Question

A municipality has built a reservoir to store drinking water and added pumps to it.
The pumps can fill the empty reservoir separately in 16, 20, 30 hours respectively. This morning
When the three pumps were started simultaneously at 6 o'clock, 1/3 of the reservoir was full of water. 1 hour 36
After a minute the first pump and after 2 hours the third pump shuts off.
(a) Calculate when the reservoir was completely filled with water.
(b) Calculate how many parts of the reservoir the second pump filled.
(c) When the third pump is shut down, calculate how much water was in the reservoir.​

Answer 1

Answer:

RT r the first sentence