How many warnings till your account gets deleted?

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m