Question 15
John paid 12 dollars for 2 pens and 2 pencils. Mark paid 22.50 dollars for 2 pens and 5 pencils. How much does one pencil cost?
Source note: the printed answer key conflicts with the given purchase amounts. Solve from the amounts in the question.
Source note: the printed answer key conflicts with the given purchase amounts. Solve from the amounts in the question.