What word phrase represents the algebraic expression 4x-1/5 a) the quotient of 4 times x minus 1 and 5. b) the product of 4 times x minus 1 and 5. c) the difference of 1 and 4 times x divided by 5. d) four times x less than 1 divided by 5.

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