Question
A lorry and a Lamborghini were travelling from Town D to Town E which were 990 km apart. The Lamborghini set off 223 h later than the lorry but arrived 113 h earlier. If the average speed of the lorry was 66 km/h, find the average speed of the Lamborghini.
2 m

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A lorry and a Lamborghini were travelling from Town D to Town E which were 990 km apart. The Lamborghini set off 223 h later than the lorry but arrived 113 h earlier. If the average speed of the lorry was 66 km/h, find the average speed of the Lamborghini.