Question 1
SEAMO self-study edition 2027; not an official 2027 paper. Original source years are retained. 25 questions, 90 minutes; Q1–10: 3 points, Q11–20: 4 points, Q21–25: 6 points, total 100. Original response types and all subparts are preserved. Verified is an editorial convention; source defects, necessary assumptions and unresolved mathematical uncertainty are disclosed.
Calvin drove from Town A to Town B at 80 km/h. At the same time, Rosie drove from Town B to Town A at 70 km/h. The two cars passed each other after 3 hours. What was the distance between the towns, in kilometres?
Calvin drove from Town A to Town B at 80 km/h. At the same time, Rosie drove from Town B to Town A at 70 km/h. The two cars passed each other after 3 hours. What was the distance between the towns, in kilometres?