SOLUTION: one hose can fill a water in 12 hours. a second hose can fill the tank at twice the rate of the first one. if both hoses are used together. how long does it take to fill the tank

Question 1099700: one hose can fill a water in 12 hours. a second hose can fill the tank at twice the rate of the first one. if both hoses are used together. how long does it take to fill the tank
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
one hose can fill a water in 12 hours. a second hose can fill the tank at twice the rate of the first one. if both hoses are used together. how long does it take to fill the tank
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The 1st hose, plus 2 times the 1st hose = 3 of the 1st hose.
--> 4 hours
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