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Mathematics, 08.12.2021 23:20 robbylynnbonner

A car and a lorry complete the same 240 mile journey without stopping. The average speed of the car is x mph. The average speed of the lorry is 12 mph slower than the car.
The lorry takes 1 hour longer than the car.
Use an algebraic method to work out the average speed of the car.

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