Jenny invited Gianna to go watch a movie with her family. The movie theater charges one rate for 3D admission and a different rate for regular admission. Jenny and Gianna decided to watch the newest movie in 3D. Jenny's mother, father, and grandfather accompanied Jenny's little brother to the regular admission movie.

A. Write an expression for the total cost of the tickets. Define the variables.

B. The cost of the 3D ticket was double the cost of the regular admission. Write an equation to represent the relationship between the tickets.

C. The family purchased refreshments and spent a total of $18.50. If the total amount of money spent on the tickets and refreshments was $94.50, use an equation to find the cost of one regular admission ticket.

-HELP ME PLEASE!