Thaden891 Thaden891
  • 26-05-2014
  • Mathematics
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What number is 33 1/3% of the positive difference between 25% of 60 and 75% of 16?

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Lilith
Lilith Lilith
  • 26-05-2014
[tex]33\frac{1}{3}\% \cdot (25\% \cdot 60 - 75\% \cdot 16 )=\\ \\=\frac{100}{3}\cdot \frac{1}{100}\cdot (\frac{25}{100}\cdot 60-\frac{75}{100}\cdot 16) =\\ \\=\frac{1}{3}\cdot (\frac{1}{4}\cdot 60-\frac{3}{4}\cdot 16) =\frac{1}{3}\cdot (15-12) =\frac{1}{3}\cdot 3 =1[/tex]


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