document.write( "Question 822750: The sales tax on a $300 purchase is $16.50. What would be the total cost of a purchase that is marked at $450? \n" ); document.write( "

Algebra.Com's Answer #495067 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "The sales tax  on a $300 purchase is $16.50. 
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document.write( ",  x  = 
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document.write( " = 5.5% sales tax
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document.write( "What would be the total cost of a purchase that is marked at $450?
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document.write( "  = $24.75
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document.write( "total cost of a purchase: $450 + $24.75 = $474.75 \n" );
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