SOLUTION: A bathtub can be filled by cold water faucet in 7 minutes and by the hot water faucet in 10 minutes. How long does it take to fill the tub if both faucets are open?
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Question 372470: A bathtub can be filled by cold water faucet in 7 minutes and by the hot water faucet in 10 minutes. How long does it take to fill the tub if both faucets are open?
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
1/7+1/10=1/t
10/70+7/70=1/t
17/70=1/t
t=70/17
t=4.12 <---- Answer
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