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Maths help

A bus service runs between the towns of Restler and Soper. The average speed for one journey, including stops, is 30 kilometres per hour. Residents are beginning to move into a new housing development and the Restler–Soper bus service will be re-routed with extra stops. The buses will travel 4 kilometres further per journey than at present. The average speed, including stops, will be reduced by 3 kilometres per hour. The journey time will increase by 25%.

How far will the bus travel on its new route from Restler to Soper?

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