Ms. Claudio and Ms. yee took their students to the winter festival. There were a total of 68 students in attendance. In group A , twenty three students rode the polar express and paid $6.75 each. In group B, twenty five students rode Rudolph’s reindeer ride and pod $4.50 each. In group C, 20 students rode both rides. What was the total cost of each group’s amusement ride ?