Question
One pen costs $f while one textbook costs 60¢ less than the pen.
  1. What is the cost of 4 pens and 1 textbook? Express your answer in terms of f in its simplest form. 
  2. Henry wants to buy 4 pens and 1 textbook but is short of 20 cents. If the textbook costs $2.10, how much money does Henry 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 pen costs $f while one textbook costs 60¢ less than the pen.
  1. What is the cost of 4 pens and 1 textbook? Express your answer in terms of f in its simplest form. 
  2. Henry wants to buy 4 pens and 1 textbook but is short of 20 cents. If the textbook costs $2.10, how much money does Henry have in dollars?