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i found my related facts because 7 x 3 = 21 and 3 x 7 = 21 also 21+ 7 = 3 21 + 3 =7

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I did an array of 4 rows with 5 in each row and I got the answer of  20.

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I got my related facts by drawing a array that shows 5 rows of 8

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So I had only two facts because if you flip it will be the same number

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I found my related facts because the array shows 3x4 or 4x3=12 and the opposit of xs isg