Question
PSLE
A puncher costs $1 more than a post-it pad. The total cost of 9 such punchers is $2x.
  1. Express the cost of 27 such punchers in terms of x.
  2. Express the cost of the post-it pad in terms of x.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A puncher costs $1 more than a post-it pad. The total cost of 9 such punchers is $2x.
  1. Express the cost of 27 such punchers in terms of x.
  2. Express the cost of the post-it pad in terms of x.