Answer:
80 points
Step-by-step explanation:
First Half: Second Half: Total Right Answers
8 questions right + 2 questions right = 10 questions right
10*8 points a piece = 80 points
4x+9y+3x+3y
=7x+12y
63
15 dolls-
15 x 3 = 45 stuffed animals
45+18 = 63