Question
One sticker costs $a. One file costs $(a + 15). One colouring book costs $4a.
  1. Pierre bought 4 stickers, 3 files and 1 colouring book. How much did he spend? Simplify your answer in terms of a.
  2. If a = 10, how much did Pierre 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 $a. One file costs $(a + 15). One colouring book costs $4a.
  1. Pierre bought 4 stickers, 3 files and 1 colouring book. How much did he spend? Simplify your answer in terms of a.
  2. If a = 10, how much did Pierre spend altogether?