You need to clear the fractions by multiplying every term by the LCD of both fractions, which would be 16. 80 and 48/16 inches and 144 and 16/8. that's 83 and 146 so the answer is 63 inches need to be cut off

Step-by-step explanation:
the question is asking for the volume of water in m^3 that will be in the pool when it is completely full.
we find this by multiplying the length times the width times the depth.
this gives us 50m×25m×2.5m= 3125m^3
Hi :)
Dont spazm to much :D