Question
One file costs $n while one guide book costs 60¢ less than the file.
  1. What is the cost of 4 files and 1 guide book? Express your answer in terms of n in its simplest form. 
  2. Xavier wants to buy 4 files and 1 guide book but is short of 10 cents. If the guide book costs $2.10, how much money does Xavier have in dollars?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

One file costs $n while one guide book costs 60¢ less than the file.
  1. What is the cost of 4 files and 1 guide book? Express your answer in terms of n in its simplest form. 
  2. Xavier wants to buy 4 files and 1 guide book but is short of 10 cents. If the guide book costs $2.10, how much money does Xavier have in dollars?