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Algebra
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Oct 14th, 2014

20) answer = 18.90 * 1.05 = 19.845

21) 3.4/5.2 = 6.8 / 10.4 = 7.15/10.92 not equals to 7.14/10.92

22) 7.6/1.8 = 15.2 / 0.9 not equals to 3.9 / 0.9

23) 18/24 = 18*2/24*2  = 36/48

Oct 14th, 2014

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Oct 14th, 2014
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Oct 14th, 2014
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