Question
One pen costs $a while one novel costs 50¢ less than the pen.
  1. What is the cost of 3 pens and 1 novel? Express your answer in terms of a in its simplest form. 
  2. Will wants to buy 3 pens and 1 novel but is short of 10 cents. If the novel costs $2.30, how much money does Will 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 $a while one novel costs 50¢ less than the pen.
  1. What is the cost of 3 pens and 1 novel? Express your answer in terms of a in its simplest form. 
  2. Will wants to buy 3 pens and 1 novel but is short of 10 cents. If the novel costs $2.30, how much money does Will have in dollars?