A train travels 360 km at its usual speed

MATHEMATICS · Single correct · GCSE · Mathematics · Ratio and Proportion · Ratio and Proportion

Problem

A train travels 360 km at its usual speed. Had the speed been 5 km/h less, the journey would have taken 1 hour longer. What is the usual speed of the train? (a) 48 km/h48\ \text{km/h} (b) 45 km/h45\ \text{km/h} (c) 40 km/h40\ \text{km/h} (d) 44 km/h44\ \text{km/h}

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