Question
One marker costs $s while one colouring book costs 75¢ less than the marker.
  1. What is the cost of 4 markers and 1 colouring book? Express your answer in terms of s in its simplest form. 
  2. Liam wants to buy 4 markers and 1 colouring book but is short of 20 cents. If the colouring book costs $1.70, 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 marker costs $s while one colouring book costs 75¢ less than the marker.
  1. What is the cost of 4 markers and 1 colouring book? Express your answer in terms of s in its simplest form. 
  2. Liam wants to buy 4 markers and 1 colouring book but is short of 20 cents. If the colouring book costs $1.70, how much money does Liam have in dollars?