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A swimming pool is 3 meters deep, 50 meters long, and 25 meters wide. If it takes 0.25 pounds of chlorine for every 15 cubic meters of water to keep the pool clean and healthy, how many pounds of chlorine are needed?
a. 27.2 pounds
b. 35.7 pounds
c. 45.4 pounds
d. 62.5 pounds

Respuesta :

The amount of pounds of chlorine needed is 62. 5 pounds. Option D

How to determine the amount

WE have the perimeter of a rectangle to be;

Volume = l × h × w

L = length = 50 meters

w = width = 25 meters

height = 3 meters

Substitute into the formula

Volume = [tex]50[/tex] × [tex]25[/tex] × [tex]3[/tex]

Volume = [tex]3750[/tex] cubic meters

If 0. 25 pounds of chlorine is in 15 cubic meters of water

x pounds would be 3750 cubic meters

Cross multiply

0. 25 × 3750 = 15x

937. 5 = 15x

x = [tex]\frac{937. 5}{15}[/tex]

x = 62. 5 pounds

Thus, the amount of pounds of chlorine needed is 62. 5 pounds. Option D

Learn more about volume of a rectangle here:

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