document.write( "Question 1102183: Two mechanics, Bonita Rich and Pamela Pearson, take 5 hours to re-build an engine when they work together. If each worked alone, Bonita, the more experienced mechanic could complete the job 3 hours faster than Pamela. How long would it take each of them to re-build the engine working alone? \n" ); document.write( "
Algebra.Com's Answer #716827 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
x for Bonita
\n" ); document.write( "x+3 for Pamela\r
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\n" ); document.write( "\n" ); document.write( "\"1%2Fx%2B1%2F%28x%2B3%29=1%2F5\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B3%29%2F%28x%28x%2B3%29%29%2Bx%2F%28x%28x%2B3%29%29=1%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B3%2Bx%29%2F%28x%5E2%2B3x%29=1%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%2B3=%28x%5E2%2B3x%29%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"10x%2B15=x%5E2%2B3x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-7x-15=0\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"x=%287%2Bsqrt%28109%29%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "8.72 hours for Bonita, and 11.72 hours for Pamela
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