ECZ 2015 · O-Level Paper 1 — Computer and Calculator
Find the exact value of 3 13− 15.
- A. 3 215
- B. 3 115
- C. 2 215
- D. 3 415
Verified working — step 1
Convert: 3 13= 103. Common denominator 15: 103= 5015and 15= 315. So 5015− 315= 4715= …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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