Which is bigger, 40% of 200 or 1/3 of 150

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Could someone me with this question i’ve been stuck on it for 20 minutes

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units