Question
One pen costs $p while one story book costs 50¢ less than the pen.
  1. What is the cost of 4 pens and 1 story book? Express your answer in terms of p in its simplest form. 
  2. Oscar wants to buy 4 pens and 1 story book but is short of 10 cents. If the story book costs $1.10, how much money does Oscar 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 $p while one story book costs 50¢ less than the pen.
  1. What is the cost of 4 pens and 1 story book? Express your answer in terms of p in its simplest form. 
  2. Oscar wants to buy 4 pens and 1 story book but is short of 10 cents. If the story book costs $1.10, how much money does Oscar have in dollars?