document.write( "Question 1113995: A plumber charges $80 for a service call plus $30 per hour.
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document.write( "a. Find a linear function that represents the total daily charges C, in dollars, as a function of the time t, in hours, spent at a given location.
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document.write( "b. If the total charge was $140, how many hours did he work?
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Algebra.Com's Answer #729015 by addingup(3677)![]() ![]() You can put this solution on YOUR website! 80 + 30t = total charge \n" ); document.write( "------------------------------------- \n" ); document.write( "80 + 30t = 140 \n" ); document.write( "30t = 60 \n" ); document.write( "t = 60/30 = your answer \n" ); document.write( " |