For $7.52, you purchased 8 pens and highlighters form a local bookstore. each highlighter cost $1.09 and each pen cost $.69. write a system of equations that can be used to find how many pens you bought.

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.