document.write( "Question 1189722: Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. Together they charged a total of $1875.
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Algebra.Com's Answer #821163 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours.
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document.write( "Let x be the rate of the first mechanic.\r\n" );
document.write( "Then the rate of the second mechanic is (165 - x) dollars.\r\n" );
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document.write( "The \"total money\" equation is\r\n" );
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document.write( "    15x + 5*(165-x) = 1875  dollars.\r\n" );
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document.write( "Simplify and solve for x:\r\n" );
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document.write( "    15x + 825 - 5x = 1875  ====>\r\n" );
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document.write( "    10x = 1875 - 825 = 1050  ====>  x =  = 105.\r\n" );
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document.write( "Thus the first mechanic's rate is $105 per hour.\r\n" );
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document.write( "Then the second mechanic's rate is $165 - $105 = $60 per hour.\r\n" );
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