Mathematics, 05.10.2019 10:00 shelbylynn737

Mabel has a total of 54 beads. some beads 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 than white beads?

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Mabel has a total of 54 beads. some beads are black and some are white. the ratio of the number of b...

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