Answer:
(6,4)
Step-by-step explanation:
The equation is in 'point-slope' form.

This means we can identify the point that was used in the equation.

(6,4) would be a solution to the equation given.
Hope this helps.
First pool: 21 liters per min so to get 3100 gone do 3100 divided by 21 which equals 147
Second pool: 33 liters per min and you have 3472 divided 33 = 105
B is the answer to your question
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