305survivor 305survivor
  • 25-10-2015
  • Mathematics
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$199 MP3 player; 15% discount

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Аноним Аноним
  • 25-10-2015
Divide $199 into 100 parts, then take 85 of those parts to get your answer...

199 / 100 = 1.99

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1.99 x 85

= (2.00-0.01) x 85

= 2 x 85 - 0.85

= 2 x (80 + 5) - 0.85

= 160 + 10 - 0.85

= 170 - 0.85

= 169.15

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Answer:

$169.15
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