SOLUTION: A bathtub can be filled by the cold water faucet in 9 minutes and by the hot water faucet in 10 minutes. the drain can empty the tub in 5 minutes. can the tub be filled if both fau

Question 887206: A bathtub can be filled by the cold water faucet in 9 minutes and by the hot water faucet in 10 minutes. the drain can empty the tub in 5 minutes. can the tub be filled if both faucets and the drain are open?
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
Filling rates in units, TUBs per MINUTE:
Cold,
Hot,
Drain,

If the rate of all three together is positive, then the tub can be filled that way. Otherwise, the tub cannot be filled that way.

SUM THE RATES!

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