Leah ran 6 block north then back 4 block south

Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months

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! "?

Bradley is preparing a presentation to show the ceo of his company. he wants to emphasize that the profits of their competitor have increased slowly over the past 16 months.