document.write( "Question 361679: If you hire the Sod Guys to lay 3000 square feet of sod, it will cost $8300. If you get them to lay 1560 square feet it will cost $6540. How much will it cost to get 3250 square feet? \n" ); document.write( "
Algebra.Com's Answer #257822 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If you hire the Sod Guys to lay 3000 square feet of sod, it will cost $8300. If you get them to lay 1560 square feet it will cost $6540. --------------------------------------------- \n" ); document.write( "Two Points: (3000,8300) and (1560,6540) \n" ); document.write( "-------- \n" ); document.write( "slope = (6540-8300)/(1560-3000) = 1760/1440 = 11/9 \n" ); document.write( "------ \n" ); document.write( "Form: y = mx+b \n" ); document.write( "8300 = (11/9)(3000) = b \n" ); document.write( "b = 4633,33 \n" ); document.write( "-------- \n" ); document.write( "Equation: \n" ); document.write( "cost = (11/9)(area)+4633.33 \n" ); document.write( "---- \n" ); document.write( "How much will it cost to get 3250 square feet? \n" ); document.write( "c(3250) = (11/9)3250 + 4633.33 \n" ); document.write( "c(3250) = $8605.55 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |