Foundation Plus
26th December 1989
- 1Simultaneous Equations3 marks
5 teas and 4 cakes cost £11.15. 2 teas and 3 cakes cost £6.35. Find the price of a tea.
- 2Compound Interest and Depreciation3 marks
£800 is invested at 2.5% compound interest per year. Work out the value after 4 years, to the nearest penny.
- 3Transformations2 marks
The point (0, 8) is rotated 180° 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 200 times. How many heads would you expect?
- 5Frequency Trees3 marks
160 people were surveyed. 40 were adults, of whom 20 said yes. 5 of the children said yes. How many said yes altogether?
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