A car travels from Singapore to Kuala Lumpur, covering 390 km in a period of x hours. A slow train travels the same distance and it takes 4 hours more to reach the destination. Find, in terms of x, a) the average speed of the car in km/h b) the average speed of the train in km/h C) If the average speed of the train is 55 km/h faster than the train, form an equation in x and show that it reduces to llx2 + 44x - 312 = 0
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Step-by-step explanation:
slow train travels the same distance and it takes 4 hours more to reach the destination.
Find, in terms of x,
a) the average speed of the car in km/h
b) the average speed of the train in km/h
C) If the average speed of the train is 55 km/h faster than the train, form an equation in x
and show that it reduces to llx2 + 44x - 312 = 0
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