It will take the hoses 6 minutes to fill the pool together
Fractions are expressions written as a ratio of two integers.
Let the time it will take the water to fill the pool if both holes are used be x such that;
1/x = 1/30 + 1/20
Simplify to have;
1/x = 10+15/300
1/x = 25/300
x = 300/25
x = 6
Therefore it will take the hoses 6 minutes to fill the pool together
Learn more on fraction and proportion here: https://brainly.com/question/18437927
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