Answer:
117
Step-by-step explanation:
Sum of the interior angles of any triangle is 180°
<u>Let the third angle measure is x. Then the sum of angles is:</u>
F(x) = - ( x- 3/2)2 = + 9/4
A+3B=C
A=Admisson Cost
3B=$3 per book
C=Total Cost
17. Hope this helps :)