Mathematics, 03.11.2020 17:40, saintsfan2004

A bag contains 150 marbles. Some are blue, and the rest are white. There are 21 blue marbles for every 4 white marbles. How many blue marbles are in the bag? Explain your reasoning??? :(

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A bag contains 150 marbles. Some are blue, and the rest are white. There are 21 blue marbles for eve...