Multiply. write in simplest form. fractions.
1. 8×4/9
2. 3/7× 2 5/8
3. find the reciprocal of 4 1/3

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! "?