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curry puffs → 42%
apple pies + egg tarts + tuna pies (%) → 100 - 42 = 58%
apple pies + egg tarts + tuna pies → 250 x 58% = 145
Question 7b
Video explanation ↓The pie chart shows the number of four types of pastries in a shop. There was an equal number of egg tarts and apple pies. There were 28 more tuna pies than egg tarts. There were 250 pastries altogether. How many apple pies were there? (2 marks)
Answer: 39 apple pies
Workings
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curry puffs → 42%
apple pies + egg tarts + tuna pies (%) → 100 - 42 = 58%
apple pies + egg tarts + tuna pies → 250 x 58% = 145
apple pies → (145 - 28) ÷ 3 = 39