A picture graph shows pupils' favourite subjects. Each square stands for 4 pupils. Maths: 6 squares. Science: 4 squares. English: 3 squares. PE: 5 squares. What is the difference between the number of pupils who chose Maths and Science combined, and those who chose English and PE combined?
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Worked Solution
Step 1 Convert squares to pupils for each group:
Maths: 6 × 4 = 24. Science: 4 × 4 = 16. English: 3 × 4 = 12. PE: 5 × 4 = 20.
Step 2 Find the combined total for Maths and Science: 24 + 16 = 40 pupils.
Step 3 Find the combined total for English and PE: 12 + 20 = 32 pupils.
Step 4 Find the difference: 40 − 32 = 8 pupils.
Answer: The difference is 8 pupils.
Correct answer: 8
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