The angle is 3 and 1 diameter
So you find 15% of the $108 which is $16.20 you do this by 15/100*108. Then you add $16.20 to 108 and you get $124.20.
So the answer is $124.20
Group like numbers
6-3-4i-2i
3-6i
The simple way to do this is to multiply the number of outcomes of one object times the number of outcomes in the other object. In this case a quarter has 2 sides, heads and tails. Since the spinner has 6 sections, there are 6 outcomes.
With this we can do, 2x6=12.
Therefore there are 12 outcomes