document.write( "Question 600792: Germaine paid $599.20 for new tires with 7% sales tax included. What was the price of the tires? Please show all work.\r
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Algebra.Com's Answer #379483 by Rcmathtutor(12)![]() ![]() You can put this solution on YOUR website! Let X be the original, pre-tax price. \n" ); document.write( "Pre-tax price + sales tax = price with tax included \n" ); document.write( "X + 0.07X = 599.20 \n" ); document.write( "1.07X = 599.20 \n" ); document.write( "Divide both sides by 1.07 \n" ); document.write( "X = 599.20 / 1.07 \n" ); document.write( "X = 560 \n" ); document.write( "The original, pre-tax price, was $560 \n" ); document.write( "Proof: \n" ); document.write( "560 + (560)(0.07) = 599.20 \n" ); document.write( " \n" ); document.write( " |