Question
PSLE
A pencil costs $2 less than a foolscap. The total cost of 8 such pencils is $3i.
  1. Express the cost of 16 such pencils in terms of i.
  2. Express the cost of the foolscap 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 pencil costs $2 less than a foolscap. The total cost of 8 such pencils is $3i.
  1. Express the cost of 16 such pencils in terms of i.
  2. Express the cost of the foolscap in terms of i.