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chrissy | 00:59 Fri 11th Mar 2016 | Quizzes & Puzzles
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3/20 x ?=1/10
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2/3
(3/20) × (2/3) = (3 x 2)/(20 x 3) = 6/60 = 1/10
OR 2/3 of 3/20 = 2/20 = 1/10
OR if A is the unknown,

3/20 x A = 1/10
A = (1/10) x (20/3)
A = (1 x 20)/(10 x 3)
A = 20/30
A = 2/3

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