Question
Mrs Xavier paid a total of $41 for 2b notebooks and 4 files. Each notebook cost $3.
  1. Express the cost of 1 file in terms of b
  2. If b = 5, 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 Xavier paid a total of $41 for 2b notebooks and 4 files. Each notebook cost $3.
  1. Express the cost of 1 file in terms of b
  2. If b = 5, how much did each file cost?