Question

Your cell phone plan costs ​$39.99 per month plus ​$0.14 for each text message you send or receive. You have at most ​$43 to spend on your cell phone bill. What is the maximum number of text messages that you can send or receive next​ month?

Answer 1

no more than 33 texts a month
you know the total amount spent, you know the total of the bill without texts
45=39.99+.15t