Find the speed of the struck

Two cars, travelling at 62 km/h and 54 km/h respectively, left Town A for Town B at the same time. The faster car passed an oncoming truck 10 hour. An hour after that, the slower car and the struck also passed each other. Find the speed of the struck

A.80KM/H B.60 KM/H C.26KM/H D 116KM/H

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