Question

A car covers a distance in 40 minutes with an averagespeed of 60 km per hour. The average speed to cover thesame distance in 30 minutes is​

Answer 1

Answer:

Given : A car covers a distance in 40 min with an average speed of 60 km/h.

To find : What should be the average speed to cover the same distance time taken by the car in 25 min ?

Solution :

Let the distance traveled be 'x' km.

Time taken = 40 minutes = \frac{2}{3}

3

2

hrs

Average speed = 60 km/hr

The distance formula is \text{Distance}=\text{Speed}\times \text{Time}Distance=Speed×Time

\text{Distance}=60\times \frac{2}{3}Distance=60×

3

2

\text{Distance}=40\ kmDistance=40 km

Now, the time is 25 minute = \frac{5}{12}

12

5

hr

Then the average speed is given by,

\text{Speed}=\frac{\text{Distance}}{\text{Time}}Speed=

Time

Distance

\text{Speed}=\frac{40}{\frac{5}{12}}Speed=

12

5

40

\text{Speed}=96\ km/hrSpeed=96 km/hr

Therefore, the average speed to cover the same distance time taken by the car in 25 min is 96 km/hr

Answer 2

Step-by-step explanation:

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