The distance between towns M and N is 280 km. A car and a lorry travel from M to N.
The average speed of the lorry is 20 km/h less than that of the car. The lorry takes 1 h 10 min more than the car to travel from M and N.
(a) If the speed of the lorry is x km/h, find x
(b) The lorry left town M at 8: 15 a.m. The car left town M later and overtook the lorry at 12.15 p.m. Calculate the time the car left town M.
1 answer
lneed answer
4 answers