# math

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arnie has between 300 and 400 stickers in her collection. when she divided them into groups of 4, 5, or 9, there is always one sticker left over. how many stickers does arnie's collection contain?

• math -

180 = LCM(4,5,9)

so, 360 is divisible by 4,5,9.
361 leaves a remainder of 1 when divided by 4,5,9

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