Question
One sticker costs $i. One pen costs $(i + 15). One guide book costs $5i.
  1. Ethan bought 2 stickers, 3 pens and 1 guide book. How much did he spend? Simplify your answer in terms of i.
  2. If i = 18, how much did Ethan spend altogether?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

One sticker costs $i. One pen costs $(i + 15). One guide book costs $5i.
  1. Ethan bought 2 stickers, 3 pens and 1 guide book. How much did he spend? Simplify your answer in terms of i.
  2. If i = 18, how much did Ethan spend altogether?