Question

Janice bought a book for $4.00. She also bought 5 pens. She spent a total of $39.00. How much did each pen cost?

Answer 1

39-4 is 35. 35 divided by 5 is 7. The pens cost 7 dollars each. :-)

Answer 2

Book $4.00
5 pens + 1 book=39
(5x)+4.00=39.00
5x=35.00
x=$7.00 for each pen.