Height of water in a pool that decreases every week during summer = 4 inches
The change of the height of water in six weeks :-
[tex] = 6 \times 4[/tex]
[tex]\color{olive} =\color{hotpink} 24\color{olive} \: \: inches[/tex]
Therefore , the height of the water in the pool would have decreased by 24 inches in six weeks .