Question
One pen costs $c while one guide book costs 60¢ less than the pen.
  1. What is the cost of 4 pens and 1 guide book? Express your answer in terms of c in its simplest form. 
  2. Perry wants to buy 4 pens and 1 guide book but is short of 20 cents. If the guide book costs $1.80, how much money does Perry 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 $c while one guide book costs 60¢ less than the pen.
  1. What is the cost of 4 pens and 1 guide book? Express your answer in terms of c in its simplest form. 
  2. Perry wants to buy 4 pens and 1 guide book but is short of 20 cents. If the guide book costs $1.80, how much money does Perry have in dollars?