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South African Mathematics Olympiad

Algebra Difficulty 3.8 AMC 10/12 Find the answer South Africa

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

Pick one

Solution

Time = Distance/Speed, so the time taken is equal to $(72 \times 6)/288 = 1.5$ hours.

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