What are you asking? if you are asking which one she is most likely to pick it would be choclate chip or peanut butter..
The answer is C
you can buy three shirts because 11×3=33 then you use your coupon and it becomes 33-6= 27
1/10 = 10/100
So we need to find 10% of 300.
0.10 x 300 = 30