write an expression using fractions to show how to determine the amount that each person will pay if the total is 188.78 divided between three people. then calculate each person's contributions showing all steps in long division.

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 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! "?