Foundation Plus
21st August 1972
- 1Simultaneous Equations3 marks
5 teas and 1 cake cost £7.90. 2 teas and 2 cakes cost £7.80. Find the price of a tea.
- 2Repeated Percentage Change3 marks
A town's population is 30500 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.
- 3Transformations2 marks
The point (4, 3) is rotated 90° anticlockwise about the origin. Write down the coordinates of the image.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 100 times. How many heads would you expect?
- 5Frequency Trees3 marks
80 people were surveyed. 90 were adults, of whom 30 said yes. -5 of the children said yes. How many said yes altogether?
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