What type of number can be written as a fraction p/q are integers and q is not equal to zero

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

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

What are the first 4 terms in the multiplication pattern given by the formula 2×4n