SOLUTION: For a certain bathtub, the cold water faucet can fill the tub in 8 minutes. The hot water faucet can fill the tub in 12 minutes. If both faucets are used together, how long will it

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: For a certain bathtub, the cold water faucet can fill the tub in 8 minutes. The hot water faucet can fill the tub in 12 minutes. If both faucets are used together, how long will it      Log On


   

Question 1197890: For a certain bathtub, the cold water faucet can fill the tub in 8 minutes. The hot water faucet can fill the tub in 12 minutes. If both faucets are used together, how long will it take to fill the tub?
Do not do any rounding.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
For a certain bathtub, the cold water faucet can fill the tub in 8 minutes. The hot water faucet can fill the tub in 12 minutes. If both faucets are used together, how long will it take to fill the tub?
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1%2F8+%2B+1%2F12+=+1%2Ft
t = 8*12/(8 + 12)