Answer:
65
Step-by-step explanation:
128-63=65
20'×15 in 54 inches
The Best as a pool should be rectangular in shape and 54inches deep for safety of life's
72
I have a weird way of doing it
so if 18 is 25%
18+18=36
then 36 would be 50%
36+36=72
so then 72 would be 100%
72*.25=18