document.write( "Question 1165520: Jeff and Kirk can build a 75 ft wall together in 3 hours. Jeff has more experience, he could build the wall by himself 1 hour quicker than Kirk. How long would it take Kirk to build the wall by himself? \n" ); document.write( "

Algebra.Com's Answer #790002 by josgarithmetic(39620) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "                RATE\r\n" );
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document.write( "Kirk            1/k\r\n" );
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document.write( "Jeff            1/(k-1)\r\n" );
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document.write( "Together        1/3\r\n" );
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\n" ); document.write( " $\"k%5E2-7k%2B3=0\"$ \r
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\n" ); document.write( " $\"k=%287%2Bsqrt%287%5E2-4%2A3%29%29%2F2\"$
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\n" ); document.write( "\n" ); document.write( " $\"highlight%28k=6.54%2Ahours%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "About 6 hours 32 minutes \n" ); document.write( "

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