Question
Mrs Charlie paid a total of $37 for 2d pencils and 4 pens. Each pencil cost $3.
  1. Express the cost of 1 pen in terms of d
  2. If d = 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 Charlie paid a total of $37 for 2d pencils and 4 pens. Each pencil cost $3.
  1. Express the cost of 1 pen in terms of d
  2. If d = 4, how much did each pen cost?