O-LevelMathematicsNumber4024/11 · May/June 2010 · Q42 Marks

Ed goes on a car journey. The first 60km of the journey takes 45 minutes. The remaining 20 km of the journey takes 30 minutes. Calculate his average speed, in kilometres per hour, for the whole journey.

Ed goes on a car journey. The first 60km of the journey takes 45 minutes. The remaining 20 km of the journey takes 30 minutes. Calculate his average speed, in kilometres per hour, for the whole journey.[2]

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Topic: Number, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source: O-Level Mathematics, May/June 2010 Paper 1 Variant 1, question 4.

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