Question

A car covers a distance in 30 minutes with an average speed of 60 km per hour
What should be the average speed of the car to cover the same distance in
20 minutes ?​

Answer 1

Answer:

Let the distance be x km

We know Distance = speed × time

Distance = x km

Speed = 60 km/hr

Time = 30 minutes = 0.5 hour

Distance = 60km/hr × 0.5 hour

Distance = 60 × 0.5 km

Distance = 30 km

What should be the average speed to cover the same distance in 20 minutes?

Distance = 30 km

Time = 20 minutes = 20/60 hour

Average speed = to find out

Speed = 30 km/20/60 hour

Speed = 30 × 60/20 km/hour

Speed = 30 × 3 km/hour

Speed = 90 km/hr

The average speed of the car should be 90 km/hr to cover the same distance in 20 minute

Step-by-step explanation:

Answer 2

Answer:

thanks a lot my friend for telling that

Step-by-step explanation:

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