Question
PSLE
A highlighter costs $4 more than a notebook. The total cost of 7 such highlighters is $4j.
  1. Express the cost of 21 such highlighters in terms of j.
  2. Express the cost of the notebook 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 highlighter costs $4 more than a notebook. The total cost of 7 such highlighters is $4j.
  1. Express the cost of 21 such highlighters in terms of j.
  2. Express the cost of the notebook in terms of j.