document.write( "Question 492028: The selling price of a calculator is $115. If the mark-up is 25% of the dealer's cost, what is the dealer's cost? \n" ); document.write( "
Algebra.Com's Answer #334895 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! The selling price of a calculator is $115. If the mark-up is 25% of the dealer's cost, what is the dealer's cost? \n" ); document.write( "Let d = dealer's cost \n" ); document.write( "then \n" ); document.write( "d + .25d = 115 \n" ); document.write( "d(1+.15) = 115 \n" ); document.write( "d(1.15) = 115 \n" ); document.write( "d = $100 \n" ); document.write( " |