Question
One marker costs $n while one guide book costs 50¢ less than the marker.
  1. What is the cost of 3 markers and 1 guide book? Express your answer in terms of n in its simplest form. 
  2. Neave wants to buy 3 markers and 1 guide book but is short of 10 cents. If the guide book costs $1.30, how much money does Neave 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 $n while one guide book costs 50¢ less than the marker.
  1. What is the cost of 3 markers and 1 guide book? Express your answer in terms of n in its simplest form. 
  2. Neave wants to buy 3 markers and 1 guide book but is short of 10 cents. If the guide book costs $1.30, how much money does Neave have in dollars?