document.write( "Question 22670: Pipe A can fill a swimming pool in 10 hours. Pipe B can fill the same pool in 8 hours. If pipe A and pipe B work together for the first 2 hours and then pipe B stops working, how long will it take pipe A to finish the job? \n" ); document.write( "
Algebra.Com's Answer #11073 by Paul(988)\"\" \"About 
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1/10+1/8=2
\n" ); document.write( "4/40+5/40=2
\n" ); document.write( "9/40t=2
\n" ); document.write( "40t=18
\n" ); document.write( "t=0.45
\n" ); document.write( "Hence,it will take Pipe A 45 minutes to finish the job by itself.
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