Question
Mrs Fred paid a total of $50 for 4c files and 8 pens. Each file cost $3.
  1. Express the cost of 1 pen in terms of c
  2. If c = 3, how much did each pen cost? 
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Mrs Fred paid a total of $50 for 4c files and 8 pens. Each file cost $3.
  1. Express the cost of 1 pen in terms of c
  2. If c = 3, how much did each pen cost?