document.write( "Question 252744: I can't seem to come up with the answer that I'm given, but would like to know how to properly solve this. The answer given is: $400.
\n" ); document.write( "The problem: 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?
\n" ); document.write( " Thanks again, Daniel \n" ); document.write( "

Algebra.Com's Answer #184821 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
An instrument store gives a 10% discount to all students off the original cost of an instrument.
\n" ); document.write( "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.
\n" ); document.write( " How much did it originally cost?
\n" ); document.write( ":
\n" ); document.write( "x = original cost
\n" ); document.write( ":
\n" ); document.write( "If she a has 10% discount, she is paying 90% of the original cost (.9x)
\n" ); document.write( ".9x - .15(.9x) = 306
\n" ); document.write( ".9x - .135x = 306
\n" ); document.write( ".765x = 306
\n" ); document.write( "x = $\"306%2F.765\"$
\n" ); document.write( "x = $400
\n" ); document.write( " \n" ); document.write( "

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