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PrintSouth African Mathematics Olympiad
South Africa algebra
Problem
Lewis Hamilton completes a 72-lap race travelling at an average speed of 288 km/h. Each lap is 6 km in length. The time taken, in hours, for him to complete the race is (A) 1 (B) 2 (C) 2.5 (D) 3 (E) 1.5
Solution
Time = Distance/Speed, so the time taken is equal to hours.
Final answer
E
Techniques
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