SOLUTION: A bath can be filled by the cold water faucet in 10 minutes and by the hot water faucet 12 minutes. How long does it take to fill the tub if both faucets are open?

Question 312205: A bath can be filled by the cold water faucet in 10 minutes and by the hot water faucet 12 minutes. How long does it take to fill the tub if both faucets are open?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

If A can do a job in x time periods, then A can do

of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do

of the job in 1 time period.

So, working together, they can do

of the job in 1 time period.

Therefore, they can do the whole job in:

time periods.

John

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