Question

3 points
13. In a well, there is 800 liters of water. At the top, there is a pipe that
deposits 25 litre of water per minute into the well, and at the bottom,
there is another pipe that withdraws 30 litre of water per minute from the
same well. How many liters of water will be there in the well after 15
minutes of the pipes functioning?
725 litre
1125 litre
950 litre
875 litre

Answer 1

Answer:

hello dear how are you

Answer 2

Answer:

WATER LEFT AFTER 1.MIN = (800+25)-30=795

THEREFORE WATER LEFT AFTER 15 MIN

=(800+25×15)-30×15

=(800+375)-450=1175-450

=725 L

HOPE I HELPED YOU