Kiddie pool: notice one dimension is 24 inches. this is equivalent to 2 feet
15x15x2=450
lap pool: one yard is 3 feet.
3x25=75 feet
3x15=45 feet
45x75x5=16,875 feet
diving pool:
we can split this into two rectangles. lets make the split right where the extra bit comes out at the end.
we get these dimensions:
20x20x15
and
15x10x10
20x20x15= 6000
15x10x10=1500
the diving section is 6000+1500=7500
everything together:
16875+ 7500+ 450=24825