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Mathematics, 16.09.2019 17:30 flowerrbabie

Bobby has a bag containing 2 sizes of marbles. the big ones weigh 10 g and the small ones weigh 2 g. if there are five times as many small ones as big ones and the bag weighs 300 g, how many big marbles does he have?

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Bobby has a bag containing 2 sizes of marbles. the big ones weigh 10 g and the small ones weigh 2 g....
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