SOLUTION: it takes the cold water faucet 3 times as long to fill the tub as it does the hot water faucet. Left on together, the two faucets take 3 minutes to fill the tub. How long will it

Algebra ->  Rate-of-work-word-problems -> SOLUTION: it takes the cold water faucet 3 times as long to fill the tub as it does the hot water faucet. Left on together, the two faucets take 3 minutes to fill the tub. How long will it       Log On


   

Question 844987: it takes the cold water faucet 3 times as long to fill the tub as it does the hot water faucet. Left on together, the two faucets take 3 minutes to fill the tub. How long will it take the cold water faucet to fill the tub by itself?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

 it takes the cold water faucet 3 times as long to fill the tub as it does the hot water faucet in +highlight_green%28x%29+ time.

Question states***

 1%2F%283x%29+%2B+1%2Fx+=+1%2F%283min%29   |Multiplying thru by 3x so as all denominators = 1

   1 + 3 = x

    4min = x, the time it takes for the hot water to fill the tub

Cold water fills the tub in 12min



CHECKING our answer***

1%2F12+%2B+1%2F4+=+1%2F12+%2B+3%2F12+=+4%2F12+=+1%2F3

Wish You the Best in your Studies.