document.write( "Question 10581: by itself a cold water faucet can fill a tub in 9 min. By itself, a hot water faucet can fill the same tub in 5 min. Together they can fill the tub in ? minutes? \n" ); document.write( "
Algebra.Com's Answer #5587 by valdez62(8)\"\" \"About 
You can put this solution on YOUR website!
7 min add both of them and divide by 2 \n" ); document.write( "
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