document.write( "Question 751394: Pipe A can fill a tank in 4 hours. If pipe B works alone it will take 3 hours longer than if both pipes worked together. How long will pipe B take if it works alone?
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Algebra.Com's Answer #457202 by tommyt3rd(5050)\"\" \"About 
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rate for A: 1/4
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\n" ); document.write( "\n" ); document.write( "then when we solve for t we get about 5.27 hrs\r
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