thanks....i knew it was a math thing, but i was too hungry and tired last night to try and figure it out. and my math is a bit rusty now that i've been out of high school for too long now.
it would only work if i did the math equation they tell you too. every other time (of if my math was really off) it was hit or miss. it's still neat though
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thats neat.
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the way they have you arrive at your number will always result in a number divisible by 9. so every factor of nine is the same symbol.
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