Question
Mrs Cole paid a total of $45 for 2j pens and 4 files. Each pen cost $3.
  1. Express the cost of 1 file in terms of j
  2. If j = 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 Cole paid a total of $45 for 2j pens and 4 files. Each pen cost $3.
  1. Express the cost of 1 file in terms of j
  2. If j = 5, how much did each file cost?