The table shows the height of the water in a swimming pool every 4 hours while it leaked, How many centimeters per hour did the height of the water decrease?

3 cm per hour.

Step-by-step explanation:

180-168= 12, which means 12 cm is gone every 4 hours. To find every hour, we simply do 12 divided by 4, getting 3, which means 3 cm decreases every hour.

1

x = 1

step-by-step explanation:

0 ÷ x = 0

0 ÷ 1 = 0