T Review. docx 2 / 6
6. Tommy has to buy some pens, pencils and notebooks for the upcoming semester. He has $102 to
spend on $5 pens, $3 pencils, and $9 notebooks. He would like to spend the same amount of money
on pens as on pencils. He also wants the combined number of pens and pencils to be equal to that of
notebooks. How many of each item should he buy? Write a system of equations to help you solve
this problem.