Question
Mrs Perry paid a total of $43 for 2r pens and 4 pencils. Each pen cost $5.
  1. Express the cost of 1 pencil in terms of r
  2. If r = 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 Perry paid a total of $43 for 2r pens and 4 pencils. Each pen cost $5.
  1. Express the cost of 1 pencil in terms of r
  2. If r = 3, how much did each pencil cost?