At a special sale, all pens are sold at one price and all pencils at another price. If 3 pens and 2 pencils are sold for 47 cents while 2 pens and 3 pencils are sold for 38 cents what is the cost of a set of one pen and one pencil in cents?

3 pen + 2 pencil =.47

2 pen + 3 pencil =.38

2 (3pen + 2 pencil =.47)

-3 (2pen + 3 pencil =.38)

6 pen + 4 pencil =.94

-6 pen - 9 pencil = - 1.14

- 5 pencil = -.2

pencil =.04

3pen + 2 (.04) =.47

3pen +.08 =.47

3 pen +.08 -.08 =.47 -.08

3 pen =.39

pen =.13

Pen = 13 cents and pencil = 4 cents