Daisy is remodeling her home. The rectangular floor in the living room is 18 feet long and 9
feet wide. The rectangular floor in the dining is 13 feet long by 8 feet wide. How much will it
cost to tile the floor of both rooms if the tile costs $2.00 per square foot?

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! "?