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2 years ago

8

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?

1 answer:

seraphim [82]2 years ago

3 0

7x+2x= 54
9x= 54
X=6

Black 7(6)=42
White 2(6)=12
=54

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