A class voted for their favourite subject. The pie chart shows four sectors. What fraction of the class chose Science?
Show Worked Solution
Worked Solution
Step 1: Verify sectors sum to 360°.
90° + 120° + 60° + 90° = 360° ✓
Step 2: Science sector = 120°.
Fraction = 120° ÷ 360° = 120/360
Step 3: Simplify. GCF(120, 360) = 120.
120/360 = 1/3
Answer: 1/3
Correct answer: 1/3
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