Question
A lorry and a Ferrari started travelling from Town V to Town W at the same time. After 4 hours, the Ferrari reached Town W while the lorry covered only 79 of the journey. The speed of the lorry was 18 km/h less than the speed of the Ferrari. Find the speed of the Ferrari.
3 m

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A lorry and a Ferrari started travelling from Town V to Town W at the same time. After 4 hours, the Ferrari reached Town W while the lorry covered only 79 of the journey. The speed of the lorry was 18 km/h less than the speed of the Ferrari. Find the speed of the Ferrari.