Question
One sticker costs $k. One pen costs $(k + 15). One colouring book costs $3k.
  1. Ken bought 6 stickers, 3 pens and 1 colouring book. How much did he spend? Simplify your answer in terms of k.
  2. If k = 16, how much did Ken 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 $k. One pen costs $(k + 15). One colouring book costs $3k.
  1. Ken bought 6 stickers, 3 pens and 1 colouring book. How much did he spend? Simplify your answer in terms of k.
  2. If k = 16, how much did Ken spend altogether?