A leak in a pool causes the height of the water to decrease by 0. 25 foot over 2 hours. After the leak is fixed, the height of the water is 4. 75 feet. The equation 4. 75 = x (negative 0. 25) can be used to find x, the original height of the water in a pool. What was the original height of the water in the pool in feet? 4. 5 5. 0 6. 5 7. 0.