Question
One stapler costs $r while one story book costs 55¢ less than the stapler.
  1. What is the cost of 2 staplers and 1 story book? Express your answer in terms of r in its simplest form. 
  2. Harry wants to buy 2 staplers and 1 story book but is short of 30 cents. If the story book costs $1.10, how much money does Harry 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 stapler costs $r while one story book costs 55¢ less than the stapler.
  1. What is the cost of 2 staplers and 1 story book? Express your answer in terms of r in its simplest form. 
  2. Harry wants to buy 2 staplers and 1 story book but is short of 30 cents. If the story book costs $1.10, how much money does Harry have in dollars?