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