document.write( "Question 535592: It takes Mr. Soriano 4 days longer to prepare an order of pies than it takes Mrs. Pascual. Together they baked some pies for 2 days and then Mrs. Pascual left. Mr. Soriano took 7 additional days to complete the order of pies. Working alone, how long would it have taken Mrs. Pascual to prepare the pies? \n" ); document.write( "
Algebra.Com's Answer #351962 by ankor@dixie-net.com(22740)\"\" \"About 
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It takes Mr. Soriano 4 days longer to prepare an order of pies than it takes Mrs. Pascual.
\n" ); document.write( "Together they baked some pies for 2 days and then Mrs. Pascual left.
\n" ); document.write( " Mr. Soriano took 7 additional days to complete the order of pies.
\n" ); document.write( " Working alone, how long would it have taken Mrs. Pascual to prepare the pies?
\n" ); document.write( ":
\n" ); document.write( "Let p = Mrs. time to make the pies alone
\n" ); document.write( "then
\n" ); document.write( "(p+4) = Mr. time to do it
\n" ); document.write( "Let the completed job = 1, (an order of pies)
\n" ); document.write( ":
\n" ); document.write( "A shared work equation, Mr. worked to total of 9 days
\n" ); document.write( ":
\n" ); document.write( "\"9%2F%28%28p%2B4%29%29\" + \"2%2Fp\" = 1
\n" ); document.write( "multiply by p(p+4)
\n" ); document.write( "9p + 2(p+4) = p(p+4)
\n" ); document.write( "9p + 2p + 8 = p^2 + 4p
\n" ); document.write( "11p + 8 = p^2 + 4p
\n" ); document.write( "combine like terms on the right
\n" ); document.write( "0 = p^2 + 4p - 11p - 8
\n" ); document.write( "A quadratic equation
\n" ); document.write( "p^2 - 7p - 8 = 0
\n" ); document.write( "Factors to
\n" ); document.write( "(p-8)(p+1) = 0
\n" ); document.write( "the positive solution is all we want here
\n" ); document.write( "p = 8 days for Mrs. working alone
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