Answer:
x = 8
Step-by-step explanation:
Since both pools are similar, it follows that their side lengths are proportional.
Therefore:

BC = 4
FG = 3
AD = x
EH = 6
Plug in the values

Multiply both sides by 6


8 = x
x = 8
Answer:
9
Step-by-step explanation:
To divide fractions you flip the second one and then multiply the new fractions
9 16 9 5 45
--- ÷ ---- = ---- × ------ = ------
2 5 2 16 32
then simplify
45/32= 1 13/32
I hope I've helped!