What is 12 7/8 as a decimal

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

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