Question
One notebook costs $b while one colouring book costs 80¢ less than the notebook.
  1. What is the cost of 2 notebooks and 1 colouring book? Express your answer in terms of b in its simplest form. 
  2. Sam wants to buy 2 notebooks and 1 colouring book but is short of 20 cents. If the colouring book costs $2.60, how much money does Sam 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 notebook costs $b while one colouring book costs 80¢ less than the notebook.
  1. What is the cost of 2 notebooks and 1 colouring book? Express your answer in terms of b in its simplest form. 
  2. Sam wants to buy 2 notebooks and 1 colouring book but is short of 20 cents. If the colouring book costs $2.60, how much money does Sam have in dollars?