Raymond B. answered 02/25/21
Tutor
5
(2)
Math, microeconomics or criminal justice
4A + C = 85.5
C=A/2
4A + A/2 = 85.5
9A/2 = 85.5
A = (2/9)(85.5) = 19 for an adult ticket
C = 9.5 for a child ticket
4(19) + 9.5 = 76+9.5 = 85.5