Foundation Plus
19th October 1970
- 1Solving Equations3 marks
Solve 3(x + 2) = 27.
- 2Repeated Percentage Change3 marks
A town's population is 19500 and grows by 6% each year. Work out the population after 6 years, to the nearest whole number.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 85°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 3 red and 9 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Capture Recapture3 marks
30 fish are marked and released. Later 45 are caught, of which 5 are marked. Estimate the population.
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