30% , as: Let the percentage of people preferring wooden skateboards be 'x'. Therefore, x/100 643=209 x/100=209/643 x=209 100/643 x=20900/643 x=32.50....... By rounding it off to 30, we get 30% as answer.
After surveying 643 skateboarders, 209 preferred wood skateboards. This results in an approximate percentage of 32.5%, which rounds to 30%. Therefore, the most reasonable estimation is option B, 30%.
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