At the office supply store, a box of 25 pens costs $7.19, a box of 50 pens costs $10.78, a box of 75 pens costs $14.53, a box of 100 pens costs $22.50, and a box of 125 pens costs $26.25.

Answer 1

What is the cost per pen?

The cost per pen is $0.29.