document.write( "Question 104890This question is from textbook Algebra and Trigonometry
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document.write( ": a plumber charged $110 for a three hour job and $160 for a five hour job. At this rate, how much would he charge for an eight hour job.\r
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document.write( "need help. have tried. my answer was $200. please correct me if i am wrong
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Algebra.Com's Answer #76325 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 110/3=$36 2/3 /hr \n" ); document.write( "160/5=$32/hr \n" ); document.write( "------------------ \n" ); document.write( "======>$4 2/3 /hr decrease for 2 hrs. \n" ); document.write( "$2 1/3 /hr decrease in pay for every extra hour worked. \n" ); document.write( "So, for 8 hrs work he will be charging $32/h - $7/h = $25/h \n" ); document.write( "25*8=$200. for the job. \n" ); document.write( "I agree with you. \n" ); document.write( "Ed \n" ); document.write( " |