Question
Mrs Xavier paid a total of $36 for 3f files and 8 pencils. Each file cost $2.
  1. Express the cost of 1 pencil in terms of f
  2. If f = 3, how much did each pencil cost? 
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Mrs Xavier paid a total of $36 for 3f files and 8 pencils. Each file cost $2.
  1. Express the cost of 1 pencil in terms of f
  2. If f = 3, how much did each pencil cost?