Question
Mrs Cole paid a total of $50 for 2z files and 8 notebooks. Each file cost $5.
  1. Express the cost of 1 notebook in terms of z
  2. If z = 4, how much did each notebook 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 $50 for 2z files and 8 notebooks. Each file cost $5.
  1. Express the cost of 1 notebook in terms of z
  2. If z = 4, how much did each notebook cost?