Question
PSLE
A highlighter costs $2 more than a puncher. The total cost of 7 such highlighters is $2r.
  1. Express the cost of 14 such highlighters in terms of r.
  2. Express the cost of the puncher in terms of r.
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 $2 more than a puncher. The total cost of 7 such highlighters is $2r.
  1. Express the cost of 14 such highlighters in terms of r.
  2. Express the cost of the puncher in terms of r.