Question
Mrs Lee paid a total of $45 for 2x pens and 4 pencils. Each pen cost $3.
  1. Express the cost of 1 pencil in terms of x
  2. If x = 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 Lee paid a total of $45 for 2x pens and 4 pencils. Each pen cost $3.
  1. Express the cost of 1 pencil in terms of x
  2. If x = 3, how much did each pencil cost?