Question
One stapler costs $q while one guide book costs 90¢ less than the stapler.
  1. What is the cost of 4 staplers and 1 guide book? Express your answer in terms of q in its simplest form. 
  2. Julian wants to buy 4 staplers and 1 guide book but is short of 20 cents. If the guide book costs $1.70, how much money does Julian 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 stapler costs $q while one guide book costs 90¢ less than the stapler.
  1. What is the cost of 4 staplers and 1 guide book? Express your answer in terms of q in its simplest form. 
  2. Julian wants to buy 4 staplers and 1 guide book but is short of 20 cents. If the guide book costs $1.70, how much money does Julian have in dollars?