Question
PSLE
A file costs $3 less than a marker. The total cost of 3 such files is $5i.
  1. Express the cost of 6 such files in terms of i.
  2. Express the cost of the marker 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 file costs $3 less than a marker. The total cost of 3 such files is $5i.
  1. Express the cost of 6 such files in terms of i.
  2. Express the cost of the marker in terms of i.