Question
One marker costs $z while one story book costs 30¢ less than the marker.
  1. What is the cost of 2 markers and 1 story book? Express your answer in terms of z in its simplest form. 
  2. Elijah wants to buy 2 markers and 1 story book but is short of 10 cents. If the story book costs $1.80, how much money does Elijah 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 $z while one story book costs 30¢ less than the marker.
  1. What is the cost of 2 markers and 1 story book? Express your answer in terms of z in its simplest form. 
  2. Elijah wants to buy 2 markers and 1 story book but is short of 10 cents. If the story book costs $1.80, how much money does Elijah have in dollars?