document.write( "Question 234473: 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 did it originally cost? \r
\n" );
document.write( "\n" );
document.write( "A. $325
\n" );
document.write( "B. $375
\n" );
document.write( "C. $400
\n" );
document.write( "D. $408
\n" );
document.write( "E. $425 \r
\n" );
document.write( "\n" );
document.write( "I was given the correct answer but I dont know how to get it. \r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #172925 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 306=(1-.15)x \n" ); document.write( "306=.85x \n" ); document.write( "x=306/.85 \n" ); document.write( "x=360 price after the first discount. \n" ); document.write( "360=(1-.10)x \n" ); document.write( "360=.9x \n" ); document.write( "x=360/.9 \n" ); document.write( "x=400 original price of the flute. \n" ); document.write( "Answer C). \n" ); document.write( " |