document.write( "Question 1131150: A carpenter earned $720 for a certain job. Her apprentice also earned $720, but the apprentice earned $6 less per hour and worked 10 hours more than the carpenter. How much did the carpenter earn per hour? \n" ); document.write( "

Algebra.Com's Answer #747793 by josgarithmetic(39616) $\"\"$ $\"About$

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r, pay rate for the carpenter
\n" ); document.write( "r-6, pay rate for apprentice\r
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\n" ); document.write( "\n" ); document.write( "x, time that carpenter worked
\n" ); document.write( "x+10, time that apprentice worked\r
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\n" ); document.write( "\n" ); document.write( " $\"system%28rx=720%2C%28r-6%29%28x%2B10%29=720%29\"$
\n" ); document.write( "Solve the system, especially for r.\r
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\n" ); document.write( "\n" ); document.write( "Another Way:\r
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document.write( "                  PAY RATE        TIME       PAY\r\n" );
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document.write( "Carpenter            r            720/r      720\r\n" );
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document.write( "Apprentice          r-6         720/(r-6)    720\r\n" );
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document.write( "DIFFERENCE                       10\r\n" );
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\n" ); document.write( " $\"highlight_green%28720%2F%28r-6%29-720%2Fr=10%29\"$ --------solve for r. \n" ); document.write( "

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