Question
One pen costs $n while one story book costs 80¢ less than the pen.
  1. What is the cost of 2 pens and 1 story book? Express your answer in terms of n in its simplest form. 
  2. Jeremy wants to buy 2 pens and 1 story book but is short of 20 cents. If the story book costs $1.30, how much money does Jeremy 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 $n while one story book costs 80¢ less than the pen.
  1. What is the cost of 2 pens and 1 story book? Express your answer in terms of n in its simplest form. 
  2. Jeremy wants to buy 2 pens and 1 story book but is short of 20 cents. If the story book costs $1.30, how much money does Jeremy have in dollars?