Question

A car covers a certain distance in 8 hrs . If the speed is increased by 4 km/hr , this distance could be covered in 15/2 hrs . This distance is :

Answer 1

Answer:

480 Km

Step-by-step explanation:

Let the distance covered by car in 8 hrs be x km

speed of car = (x/8) km/hr

increased speed = [(x/8) + 4] km/hr

time taken to cover with increased speed = 7.5 hr = 15/2 hr

Distance covered is same which is x= (Increased speed) (new time)

x = [((x/8) + 4] * (15/2) = (15x/16) + 30

—-> x/16 = 30

x = 480 km

Distance the car traveled is 480 km

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