ECZ 2016 · GCE Paper 1 — Algebra
Find an integer value of q such that 2q − 7 ≤ 8 ≤ 3q − 11.
- A. 6
- B. 8
- C. 5
- D. 7
Verified working — step 1
A sandwiched inequality is TWO inequalities - solve each side for q, then find the integer in the overlap.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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