Question
PSLE
A ruler costs $2 less than a glue. The total cost of 8 such rulers is $3n.
  1. Express the cost of 24 such rulers in terms of n.
  2. Express the cost of the glue in terms of n.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A ruler costs $2 less than a glue. The total cost of 8 such rulers is $3n.
  1. Express the cost of 24 such rulers in terms of n.
  2. Express the cost of the glue in terms of n.