# Question #8ecac

##### 1 Answer

Oct 11, 2017

Well, let's takes

If

So,

Therefore,

So,

This will be rewritten as

This will now be rearranged to get

To find the total time taken, you do

This is all I can give you since I don't have the full question, only what you gave which was a part 4 to a, and b.

If your value for