Question
PSLE
A pen costs $3 more than a pencil. The total cost of 3 such pens is $2i.
  1. Express the cost of 6 such pens in terms of i.
  2. Express the cost of the pencil in terms of i.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A pen costs $3 more than a pencil. The total cost of 3 such pens is $2i.
  1. Express the cost of 6 such pens in terms of i.
  2. Express the cost of the pencil in terms of i.