Question
PSLE
A post-it pad costs $5 more than a puncher. The total cost of 7 such post-it pads is $2j.
  1. Express the cost of 28 such post-it pads in terms of j.
  2. Express the cost of the puncher in terms of j.
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 $5 more than a puncher. The total cost of 7 such post-it pads is $2j.
  1. Express the cost of 28 such post-it pads in terms of j.
  2. Express the cost of the puncher in terms of j.