Question
Mrs Henry paid a total of $42 for 2b pens and 8 files. Each pen cost $2.
  1. Express the cost of 1 file in terms of b
  2. If b = 5, how much did each file cost? 
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Mrs Henry paid a total of $42 for 2b pens and 8 files. Each pen cost $2.
  1. Express the cost of 1 file in terms of b
  2. If b = 5, how much did each file cost?