Question
PSLE
A highlighter costs $1 more than a pencil. The total cost of 5 such highlighters is $4n.
  1. Express the cost of 15 such highlighters in terms of n.
  2. Express the cost of the pencil 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 highlighter costs $1 more than a pencil. The total cost of 5 such highlighters is $4n.
  1. Express the cost of 15 such highlighters in terms of n.
  2. Express the cost of the pencil in terms of n.