Mathematics, 19.02.2021 06:40 tony7135

Lola has a total of 45 beads. Some are black and some are white. The ratio of the number of black beads to the number of white beads is 7:2. How many more black beads little white beads are there?

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Lola has a total of 45 beads. Some are black and some are white. The ratio of the number of black be...