Question
One file costs $i while one textbook costs 65¢ less than the file.
  1. What is the cost of 2 files and 1 textbook? Express your answer in terms of i in its simplest form. 
  2. Tommy wants to buy 2 files and 1 textbook but is short of 30 cents. If the textbook costs $1.30, how much money does Tommy 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 file costs $i while one textbook costs 65¢ less than the file.
  1. What is the cost of 2 files and 1 textbook? Express your answer in terms of i in its simplest form. 
  2. Tommy wants to buy 2 files and 1 textbook but is short of 30 cents. If the textbook costs $1.30, how much money does Tommy have in dollars?