Acubic block of wood is painted various colours on all sides, each side of the block has the same leng of 12 cm. thos block is cut into many blocks of equal size of which the sides are now 3cm in length. how many cubes where created from the original block

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! "?