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Are you looking for answers or worked solutions to this question from Nanyang SA 2 paper 2 question 9?

Nanyang SA 2 paper 2 question 9

A van and a car started travelling from Town X to Town Y at the same time. After 5 hours, the car reached Town Y while the van covered only 7/10 of the journey. The speed of the can was 21 km/h less than the speed of the car. Find the speed of the van.

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