This week, Jolene withdrew $225 from her savings account. She made a deposit of $125 then bought $75.35 worth of groceries using her debit card. She now has $475.35. How much money did she have in her account at the beginning of the week?

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! "?