document.write( "Question 393170: 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? plesase break the problem down \n" ); document.write( "

Algebra.Com's Answer #279086 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "10% discount with an additional 15% is taken off the discounted price
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document.write( "Let x reprsent the original price
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document.write( " Note: 10% off is the same as paying 90% of original price
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document.write( "       15% off is the same as paying 85% ...
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document.write( "Question states
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document.write( "  .85(.90x)= $306
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document.write( "         x = $306/(.85*.90) = $400\r
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document.write( "CHECKING our answer
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document.write( " .90*$400 = $360
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document.write( " .85*$360 = $306\r
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document.write( "Note: expanding on basic concepts such as 'double discounts' is typical of
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document.write( "the type of questions one may see in the math portion of a college entrance exam
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