Question

You leave your house and want to reach your friend’s house which is 8 km away. Just before
you left, your friend called and told you that he will get home in 1 hour. You want to reach
his house just as he gets back. You can walk comfortably at 5 km/h and you can run at 10
km/h. You want to minimize your running time. How long should you walk?

Answer 1

Answer:

18mm my friend house

Explanation:

15mm