Advanced Mathematics Primary 6 Pie Charts

A survey of 240 Primary 6 students at a Tampines school recorded their favourite school-sport. The boys make up 5/8 of the cohort. The pie chart below shows the breakdown of the BOYS' favourite sports. 30% of the boys chose football as their favourite sport. How many boys did NOT choose football as their favourite sport?

A 45
B 63
C 105
D 168
Show Worked Solution

Worked Solution

Step 1: Find the number of boys in the cohort. Boys = 5/8 × 240 = 150 boys. Step 2: Find the number of boys who chose football. 30% of 150 = 0.30 × 150 = 45 boys. Step 3: Find the number of boys who did NOT choose football. 150 − 45 = 105 boys. Check: 45 (football) + 105 (other sports) = 150 boys ✓ which is 5/8 of 240 ✓. Final answer: 105. Answer: 105

Correct answer: 105

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