Arlene grossman earns $235 per week her federal income tax is $36.00 her fica tax is 6.2% arlene is also subject to a 3% state income tax and a 1% city tax whats her net pay

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Ineed to find the answer to number 2