Katie invested a total of $4000. part at 4% simple interest and part at 5% simple interest. at the end of 1 year the investments had earned $175 interest. how much was invested at each rate?

Jack is considering a list of features and fees for current 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? a. $44 b. $104 c. $144 d. $176