Question
Riordan saved just enough money to buy 10 pens. He bought 5 pens and had $40 left.
  1. How much did each pen cost?
  2. How much money did he save at first?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Riordan saved just enough money to buy 10 pens. He bought 5 pens and had $40 left.
  1. How much did each pen cost?
  2. How much money did he save at first?