Question
Ryan tied some erasers into 7 bundles of 4 erasers each. After he bought another 28 erasers, he decided to tie them into bundles of 7 instead. How many bundles did he have in the end?
4 m

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Ryan tied some erasers into 7 bundles of 4 erasers each. After he bought another 28 erasers, he decided to tie them into bundles of 7 instead. How many bundles did he have in the end?