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ANSWER

45 green bands

EXPLANATION

The ratio of red hair bands to green hair bands is

5 : 9

The total ratio is:

[tex]9 + 5 = 14[/tex]

If there are a total of 70 hair bands,

Then the number of green bands

[tex] = \frac{9}{14} \times 70[/tex]

Simplify

[tex] = 9 \times 5[/tex]

Multiply

[tex] = 45[/tex]

Therefore, there are 45 green bands.

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