SOLUTION: It takes one pipe 10 min to fill a certain tank with water. It takes a second pipe 15 min. With both pipes open and the tank empty how long would it take to fill the tank?
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Question 438592: It takes one pipe 10 min to fill a certain tank with water. It takes a second pipe 15 min. With both pipes open and the tank empty how long would it take to fill the tank?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1 pipe fills 1/10 of the tank per minute.
The other fills 1/15 per minute.
Together they fill 1/10 + 1/15 per minute.
Can you take it from there?
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