Mandy has $2.25 credit on her mobile phone. It costs $0.10 to send a text message. What is the largest amount of text messages she can possibly send to her friends with $2.25?

Acaterer prepares three times as many pizzas as she usually prepares for a large party. the caterer usually prepares 5 pizzas. the caterer also estimates that each party guest will eat 1/2 of a pizza. write an expression that represents this situation. how many party guests will the pizzas serve?