Mr. Aziz is a sculpture. Can I sculptures either of the Browns are steel. He charges $280 for each bronze sculpture he sells and $440 for each steel sculpture he sells. Last year he made a sculptures and soul all of them for a total of 2400. How many bronze cultures did Mr. Aziz make last year?

a) 7
b) 3
c) 1
d) 5

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! "?