Question

The amount of chlorine needed for a pool varies directly as the size of the pool. If 5 units of chlorine is the amount needed for 2500 L of water, how much chlorine is needed for 3750 L of water?

Answer 1

7.5 units of chlorine

Explanation:

Ratio of chlorine to water is:

• 5/2500 = 1/500

Then finding the amount of chlorine for 3750 l of water using same ratio:

• 1/500*3750 = 7.5 units