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The distance between towns M and N is 280km. A car and a lorry travel from M to N. The average speed of the lorry is...

The distance between towns M and N is 280km. A car and a lorry travel from M to N.
The average speed of the lorry is 20km/h less than that of the car. The lorry takes 1h 10min more than the car to
travel from M to N.
a) If the speed of the lorry is xkm/h, find x
b) The lorry left town M at 8.15am. The car left town M later and overtook the lorry at 12.15pm. Calculate the time the car left town M.

Answers

sharon kalunda answered the question on April 29, 2019 at 12:20

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