Paper 2 · Statistics and Probability
In an agriculture class, x pupils picked more than 49 tomatoes, 3x pupils picked fewer than 51 tomatoes and 5 pupils picked exactly 50. Given the total who picked tomatoes was 47, find x.
Model answer
13
Explanation: (x-5)+5+(3x-5)=4x-5=47 → x=13.
Derived from ZIMSEC Mathematics Paper 2, November 1999, Q6
