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3 2/9 - 1/3 = p - 5 1/2
3 2/9 - 3/9 = p - 5 1/2
2 11/9 - 3/9 = p - 5 1/2
2 8/9 = p - 5 1/2
2 8/9 + 5 1/2 = p - 5 1/2 +5 1/2
2 16/18 + 5 9/18 = p
7 25/18 = p
8 7/18 = p
is mom right?

Yes!

mom says thanks for confirming it since argued with her about it

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