Question
PSLE
A highlighter costs $4 more than a pen. The total cost of 4 such highlighters is $3s.
  1. Express the cost of 8 such highlighters in terms of s.
  2. Express the cost of the pen in terms of s.
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 $4 more than a pen. The total cost of 4 such highlighters is $3s.
  1. Express the cost of 8 such highlighters in terms of s.
  2. Express the cost of the pen in terms of s.