Suppose you run 2 miles from your house to a friends house at a speed of 7 mi/hr. When the time comes to return home, you are tired and walk the same 2 miles at 3 mi/hr. How long did you spend running to your friends house? How long did you spend walking home?

-- When going

-- When coming back

Step-by-step explanation:

Given

Required

Determine time taken to your friend's house

Determine time taken from your friend's house

Distance is calculated as:

From the question, we understand that:

When going:

So, we have:

Express in Minutes

When coming back:

Express in Minutes