How do you know that the sum of (-2 3/4 and 5/9 ģis rational? O The sum is a terminating and a repeating decimal.
O The sum is a non-terminating and a non-repeating decimal.
O The sum is a fraction.
O The sum is an integer

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?