Question
PSLE
A file costs $3 less than a notebook. The total cost of 9 such files is $2e.
  1. Express the cost of 27 such files in terms of e.
  2. Express the cost of the notebook in terms of e.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A file costs $3 less than a notebook. The total cost of 9 such files is $2e.
  1. Express the cost of 27 such files in terms of e.
  2. Express the cost of the notebook in terms of e.