Question
One pencil costs $t while one colouring book costs 90¢ less than the pencil.
  1. What is the cost of 3 pencils and 1 colouring book? Express your answer in terms of t in its simplest form. 
  2. Liam wants to buy 3 pencils and 1 colouring book but is short of 20 cents. If the colouring book costs $2.40, how much money does Liam 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 $t while one colouring book costs 90¢ less than the pencil.
  1. What is the cost of 3 pencils and 1 colouring book? Express your answer in terms of t in its simplest form. 
  2. Liam wants to buy 3 pencils and 1 colouring book but is short of 20 cents. If the colouring book costs $2.40, how much money does Liam have in dollars?