Question
PSLE
A puncher costs $5 less than a glue. The total cost of 4 such punchers is $5c.
  1. Express the cost of 12 such punchers in terms of c.
  2. Express the cost of the glue in terms of c.
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 $5 less than a glue. The total cost of 4 such punchers is $5c.
  1. Express the cost of 12 such punchers in terms of c.
  2. Express the cost of the glue in terms of c.