The distance between Town U and Town V is 374.25 km. A car left Town U at 2115 for Town V, travelling at 85 km/h. A van left Town V at 2245 for Town U on the same road, travelling at a certain speed. The two vehicles met at 276.25 km from Town U. What was the speed of the van in km/h? [4 marks][Answer given: 56 km/h]
C --> 85 km/h
2115 374.25 km
|---------------------|----------------|
U 276.25 km m V
2245
<--V
85 x 1 1/2 = 127.5 km
276.25 - 127.5 = 148.75 km
374.25 - 276.25 = 98 km
98/148.75 x 85 = 56 km/h
It was 56 km/h.
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