document.write( "Question 252404: An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie , a student at the local high school, purchases a flute for $306. How much dit it originally cost? \n" ); document.write( "
Algebra.Com's Answer #184285 by drk(1908)![]() ![]() ![]() You can put this solution on YOUR website! Let the original price be P. \n" ); document.write( "10% off means 90% left, so we get .9P \n" ); document.write( "additional 15% off means 85% left, so we get .9(.85)P = .765P \n" ); document.write( "THis is equal to $306, so we get \n" ); document.write( ".765P = 306 \n" ); document.write( "P = $400. \n" ); document.write( " |