Question
Mrs Zeph paid a total of $39 for 3i staplers and 4 pens. Each stapler cost $2.
  1. Express the cost of 1 pen in terms of i
  2. If i = 4, 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 Zeph paid a total of $39 for 3i staplers and 4 pens. Each stapler cost $2.
  1. Express the cost of 1 pen in terms of i
  2. If i = 4, how much did each pen cost?