Which statement could the expression 13+× represent?

27 is what percent of 108? 27 is % of 108

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

Sum is 17 and their difference is 3