anonymous
  • anonymous
need help: Yuko bought a pair of pillowcases that cost her a total of $24.90. She got the pillowcases on sale at 15% off and paid a state sales tax of 8%. What was the original price of the pillowcases?
Mathematics
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Let the money she paid be x then, x - 15 % of x + 8 % of x = 24.90
anonymous
  • anonymous
Using what shubham said, remember that "of" means times and to make % into decimals... except that the sales tax would have been on the reduced price, so:
anonymous
  • anonymous
x-.15x = .85x for the reduced price and then sales tax is the total (100%) plus 8%: 1.08(.85x)=24.90 and solve

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anonymous
  • anonymous
where do u get .85x? I'm not clear for that.
anonymous
  • anonymous
OK, 15% off is the total, or 100% minus 15% for 85% remaining
anonymous
  • anonymous
so if the price was x, then the reduced price you get by subtracting 15% of x is the same as finding 85% of the original price, x. 1.00x - .15x = .85x 100% minus 15% = 85%

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