Question
Mrs Ben paid a total of $41 for 3r staplers and 4 files. Each stapler cost $2.
  1. Express the cost of 1 file in terms of r
  2. If r = 4, how much did each file cost? 
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Mrs Ben paid a total of $41 for 3r staplers and 4 files. Each stapler cost $2.
  1. Express the cost of 1 file in terms of r
  2. If r = 4, how much did each file cost?