20000 gallons of water are in pool
<em><u>Solution:</u></em>
Given that To maintain an acceptable level of chlorine in your pool you add 1.4 gallons of chlorine
This is 0.007℅ of the amount of water in your pool
To find: gallons of water are in your pool
From given question,
1.4 gallons of chlorine = 0.007℅ of the amount of water in your pool
Let "x" be the amount of water in your pool
Therefore,
1.4 = 0.007 % of x

Thus 20000 gallons of water are in pool