T5. Seven rectangles that are all the same shape and size are glued together, and the perimeter around the outside of the new, big rectangle is 114 inches. What is the area of the big rectangle?

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! "?