Question
One pen costs $p while one colouring book costs 80¢ less than the pen.
  1. What is the cost of 3 pens and 1 colouring book? Express your answer in terms of p in its simplest form. 
  2. Jenson wants to buy 3 pens and 1 colouring book but is short of 10 cents. If the colouring book costs $1.70, how much money does Jenson 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 pen costs $p while one colouring book costs 80¢ less than the pen.
  1. What is the cost of 3 pens and 1 colouring book? Express your answer in terms of p in its simplest form. 
  2. Jenson wants to buy 3 pens and 1 colouring book but is short of 10 cents. If the colouring book costs $1.70, how much money does Jenson have in dollars?