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20-08-2016
Mathematics

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Divide 33 photos into two groups so the ratio is 4 to 7.

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texaschic101 texaschic101

20-08-2016

4:7....4 + 7 = 11

(4/11)(33) = 132/11 = 12 <== group 1
(7/11)(33) = 231/11 = 21 <== group 2

4/7 = 12/21

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