Question
One pen costs $k while one novel costs 80¢ less than the pen.
  1. What is the cost of 2 pens and 1 novel? Express your answer in terms of k in its simplest form. 
  2. Ivan wants to buy 2 pens and 1 novel but is short of 30 cents. If the novel costs $1.20, how much money does Ivan 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 $k while one novel costs 80¢ less than the pen.
  1. What is the cost of 2 pens and 1 novel? Express your answer in terms of k in its simplest form. 
  2. Ivan wants to buy 2 pens and 1 novel but is short of 30 cents. If the novel costs $1.20, how much money does Ivan have in dollars?