Question
A bus and a Porsche started travelling from Town W to Town X at the same time. After 3 hours, the Porsche reached Town X while the bus covered only 79 of the journey. The speed of the Porsche was 20 km/h more than the speed of the bus. Find the speed of the bus.
3 m

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A bus and a Porsche started travelling from Town W to Town X at the same time. After 3 hours, the Porsche reached Town X while the bus covered only 79 of the journey. The speed of the Porsche was 20 km/h more than the speed of the bus. Find the speed of the bus.