Daniel walked 2/5 mile in 1/4 hour. How fast did he walk, in miles per hour?

Need on this one asap im almost done with this subject

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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