Question
A lorry and a Maserati started travelling from Town Z to Town A at the same time. After 4 hours, the Maserati reached Town A while the lorry covered only 57 of the journey. The speed of the Maserati was 20 km/h more than the speed of the lorry. Find the speed of the lorry.
3 m

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A lorry and a Maserati started travelling from Town Z to Town A at the same time. After 4 hours, the Maserati reached Town A while the lorry covered only 57 of the journey. The speed of the Maserati was 20 km/h more than the speed of the lorry. Find the speed of the lorry.