Question

Raghu walks to school at a speed of 4 hr
and reaches school in 30 minutes. During
examination time he wanted to reach to schoolin
30 minutes. What should be his speed
while walling?​

Answer 1

Step-by-step explanation:

His school is 7 km far . It can be explain as following

Here speed is given 4km per hour.i.e in 1 hr or in 60 minutes raghu walks 4km.

Now we have to calculate distance traveled in 45 minutes i.e equal to 4*45/60=3 km

Hence total distance is equal to (4+3)km or 7 km

I hope it's will help you