Question
PSLE
A post-it pad costs $4 more than a pencil. The total cost of 9 such post-it pads is $4y.
  1. Express the cost of 18 such post-it pads in terms of y.
  2. Express the cost of the pencil in terms of y.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A post-it pad costs $4 more than a pencil. The total cost of 9 such post-it pads is $4y.
  1. Express the cost of 18 such post-it pads in terms of y.
  2. Express the cost of the pencil in terms of y.