Count total parts in the circle. Find how many should be coloured for \( \frac{1}{8} \). Subtract from the number currently coloured.<br><br>
• Count the total number of equal parts in the circle.<br>
• Multiply the total parts by \( \frac{1}{8} \) to find how many should be coloured.<br>
• Count the currently coloured parts and subtract the target.<br>
• Parts to erase = 2<br>
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Final Answer: B: 2