Question
In a shop, 3 notebooks and 4 files cost $19.70. Joseph bought 4 notebooks and 5 files at $25.20 from the book shop.
  1. Find the cost of 1 notebook and 1 file.
  2. What was the cost of 1 file?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

In a shop, 3 notebooks and 4 files cost $19.70. Joseph bought 4 notebooks and 5 files at $25.20 from the book shop.
  1. Find the cost of 1 notebook and 1 file.
  2. What was the cost of 1 file?