Ty has decided to go on a new cell phone plan. She makes $150 per month babysitting so she has to be careful of how much she spends on the plan. If the plan cost $55 per month plus $0.20 for each text, write an inequalilty to determine the maximum number of texts, t, she can make and still afford to pay the bill.

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! "?