Foundation Plus
22nd July 1980
- 1Solving Equations3 marks
Solve 3(x + 3) = 33.
- 2Compound Interest and Depreciation3 marks
£5800 is invested at 5% compound interest per year. Work out the value after 2 years, to the nearest penny.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 52°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 4 red and 4 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Capture Recapture3 marks
60 fish are marked and released. Later 33 are caught, of which 3 are marked. Estimate the population.
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