document.write( "Question 396781: Two mechanics worked on a car. The first mechanic worked for 5 hours and the second mechanic worked for 15 hours. together they charged a total of $1500. What was the rate charged per hour by each mechanic if the sum of the two rates was $130 per hour. \n" ); document.write( "

Algebra.Com's Answer #281374 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "sum of the two rates was $130 per hour
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document.write( "Let x and (130 - x) represent  the $/hr of the 15hr and 5hr mechanics respectively
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document.write( "Questions states***
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document.write( " x*15hr + (130-x)5hr = $1500
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document.write( "solving for x
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document.write( "  15x -5x + 650 = 1500
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document.write( "           10x = 850
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document.write( "             x = $85 for one mechanic.  the other $45  ($130 - $85)\r
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document.write( "CHECKING our Answer
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document.write( " 15*$85 + 5*$45 = $1500 \n" );
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