document.write( "Question 262851: please check my answer:a plumber gave an estimate for the renovation of a kitchen.her hourly pay is 24.$per hour and the plumbing parts will cost 60.$.if her total estimate is 228.$,how many hours does she expect the job to take? my answer is 7 hours \n" ); document.write( "
Algebra.Com's Answer #193618 by dabanfield(803)\"\" \"About 
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please check my answer:a plumber gave an estimate for the renovation of a kitchen.her hourly pay is 24.$per hour and the plumbing parts will cost 60.$.if her total estimate is 228.$,how many hours does she expect the job to take? my answer is 7 hours\r
\n" ); document.write( "\n" ); document.write( "The total cost of the job is fixed cost + variable cost.\r
\n" ); document.write( "\n" ); document.write( "If the number of hours worked is w then we have:\r
\n" ); document.write( "\n" ); document.write( "Total Cost = 60 (fixed cost) + w*24 (variable cost).\r
\n" ); document.write( "\n" ); document.write( "So we have:\r
\n" ); document.write( "\n" ); document.write( "228 = 60 + 24*w
\n" ); document.write( "24w = 168
\n" ); document.write( "w = 7\r
\n" ); document.write( "\n" ); document.write( "You are correct :)
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