A bank 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 $2,500 and earn at least $10 interest in 1
month!"?
Prin interest the first month