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carterjdix

The answer is D. 5

If a pie chart has 360 degrees and 60 degrees have blac hair then we make the fraction 60/360 and simplify to 1/6 and 1/6 of 30 is 5.

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Answer: D. 5

a pie chart is 360 degrees so you basically take that information and turn that into a fraction.
With this you end up with 360/60.
If you simplify this you get 1/6.
1/6 of 30 (the number of pupils) is 5.

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