Question
Mrs Pierre paid a total of $50 for 2x pencils and 8 files. Each pencil cost $2.
  1. Express the cost of 1 file in terms of x
  2. If x = 4, 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 Pierre paid a total of $50 for 2x pencils and 8 files. Each pencil cost $2.
  1. Express the cost of 1 file in terms of x
  2. If x = 4, how much did each file cost?