What is the answer for my algebra I tried everything it's every confusing

Answer this question! 30 points and brainliest! only if you know the answer.

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online