So if you want to find the answer you would find it by doing it yourself
Does it want the answer 6/8? I think this is right.
I don't have a value... jk jk :)
Answer: 40°
Explanation... since U is on a straight line and since GS is 140
180 - 140 = 40
<em>Hope it helps...</em>
(y x .12) x .3 = the total cost