ECZ 2014 · O-Level Paper 1 — Travel Graphs
For the bus journey shown, V = 20 m/sand the two bus stops are 1 kilometre apart. Find the total time, t, taken for the whole journey, in seconds.
- A. 100
- B. 50
- C. 65
- D. 70
Verified working — step 1
The area under the graph is the whole trapezium: 1 000 = ½ × (t + 30) × 20 = 10(t + 30), so t + 30 = 100 and t = …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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