document.write( "Question 156590: Can someone show me how this is set up and done...thanks\r
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document.write( "Suppose that a household's monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, HCF).\r
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document.write( " the function gives a line with a slope of 1.35
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document.write( "If the monthly bill for 23 HCF is $26.67, what is the monthly bill for 29 HCF?
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Algebra.Com's Answer #115373 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Suppose that a household's monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, HCF). \n" ); document.write( "the function gives a line with a slope of 1.35 \n" ); document.write( "If the monthly bill for 23 HCF is $26.67, what is the monthly bill for 29 HCF? \n" ); document.write( "----------------------------------------- \n" ); document.write( "You have a slope (1.35) and a point (26.6,23 HCF) \n" ); document.write( "Find the intercept: 23 = 1.35*26.6 + b \n" ); document.write( "b = -12.91 \n" ); document.write( "----------------- \n" ); document.write( "EQUATION: \n" ); document.write( "Bill(x) = 1.35x -12.91 where x is water use in HCF. \n" ); document.write( "----------------------- \n" ); document.write( "Bill(29) = 1.35*29 - 12.91 \n" ); document.write( "Bill(29) = $26.24 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |