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7 1/2 x 1 1/2

 Apr 17, 2017
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\(7\dfrac{1}{2}\times 1\dfrac{1}{2}\\ =\dfrac{15}{2}\times \dfrac{3}{2}\\ =\dfrac{15\times 3}{2\times 2}\\ =\dfrac{45}{4}\\ =11\dfrac{1}{4}\)

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 Apr 17, 2017

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