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Mathematics, 12.07.2019 15:00 ianmartin6080

Abox contains 225 marbles which are either red or blue. there are 31 more blue marbles than red marbles. how many blue marbles are in the box? blue marbles

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Abox contains 225 marbles which are either red or blue. there are 31 more blue marbles than red marb...
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