Y is same as the missing angle, the triangle need to equal to 180 so if you add 20 to 60 it equal to 80 use 180 to subtract to 80 you will get the missing x, x=80
Evan spent $2.27 on each pound of bird seed. To solve this divide the cost of the bird seeds by the pounds, which will lead you to this answer. Hope this helped! :)
