Question
One pen costs $y while one textbook costs 70¢ less than the pen.
  1. What is the cost of 5 pens and 1 textbook? Express your answer in terms of y in its simplest form. 
  2. Ian wants to buy 5 pens and 1 textbook but is short of 10 cents. If the textbook costs $2.20, how much money does Ian 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 $y while one textbook costs 70¢ less than the pen.
  1. What is the cost of 5 pens and 1 textbook? Express your answer in terms of y in its simplest form. 
  2. Ian wants to buy 5 pens and 1 textbook but is short of 10 cents. If the textbook costs $2.20, how much money does Ian have in dollars?