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MATH / Sally, Wei-Hwa, and Zoe are playing a game of marbles involving first arranging…

Problem

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problem

Sally, Wei-Hwa, and Zoe are playing a game of marbles involving first arranging as many piles of 10 marbles as possible.  Sally brought 239 marbles, Wei-Hwa brought 174 marbles, and Zoe brought 83 marbles.  If all their marbles are grouped together, how many must be removed in order to start the game?

level

Level 1

type

Number Theory

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