Help PLease 15 points You are placing an order for acrylic paint. Each tube costs $2, including tax. Shipping and handling costs $5 for the entire order. You cannot spend more than $21. What is the maximum number of tubes of paint you can order?

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! "?