Answer:
6
Step-by-step explanation:
Answer: 615
Step-by-step explanation: you take the 45 times 12 months plus the 75 for the one time fee.
If the cost of one DVD is $42.70, to find the price of two, multiply 42.70 by two. The price of two DVDs is $85.40.
This is a combination of 20 studants, 6 to 6: