document.write( "Question 1106879: mikes repair shop $100 service charge plus $65 per hour amys auto repair $40 service charge plus $80 per hour write an equation for each repair shop to represent the total cost of a car repair as a function of the number of hours worked let y=total cost to you let x =number of hours worked suppose you need to get the dent in your car repaired you see the ads above in the newspaper your father who knows a bit about cars said it would take no more than 3 hours for the repair person to fix your car how do you determine where you should take your car to get it repaired
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Algebra.Com's Answer #721872 by Theo(13342)\"\" \"About 
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mike charges 100 dollars service charge plus 65 dollars per hour.\r
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\n" ); document.write( "\n" ); document.write( "amy charges 40 dollars service charge plus 80 dollars per hour.\r
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\n" ); document.write( "\n" ); document.write( "the cost to repair from mike is 100 + 65 * x.\r
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\n" ); document.write( "\n" ); document.write( "the cost to repair from amy is 40 + 80 * x.\r
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\n" ); document.write( "\n" ); document.write( "let x = 3 and you get:\r
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\n" ); document.write( "\n" ); document.write( "the cost to repair from mike is 100 + 65 * 3 = 295 dollars.\r
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\n" ); document.write( "\n" ); document.write( "the cost to repaid from amy is 40 + 80 * 3 = 280 dollars.\r
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\n" ); document.write( "\n" ); document.write( "as long as the time to repair is 3 hours or less, the cost to repair will be cheaper from amy.\r
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