•Chido and Kudzai live 30 km apart. They arrange to meet at a point half-way between their houses at 1200. Chido starts at 1030 and cycles at 10 km/h. After 5 km he has a puncture which delays him for 10 min. Find graphically Chido's speed for the last 10 km if he arrived at the meeting point on time. ​