Question
One pencil costs $f while one story book costs 85¢ less than the pencil.
  1. What is the cost of 3 pencils and 1 story book? Express your answer in terms of f in its simplest form. 
  2. Seth wants to buy 3 pencils and 1 story book but is short of 25 cents. If the story book costs $1.60, how much money does Seth 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 pencil costs $f while one story book costs 85¢ less than the pencil.
  1. What is the cost of 3 pencils and 1 story book? Express your answer in terms of f in its simplest form. 
  2. Seth wants to buy 3 pencils and 1 story book but is short of 25 cents. If the story book costs $1.60, how much money does Seth have in dollars?