Which of the following is not true ; 2x+3x=150 : 2x+3x+30=180 : 3x-2x= 30 : 2x+3x is greater than 180. i need .

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! "?