Question
PSLE
A file costs $5 more than a glue. The total cost of 9 such files is $4s.
  1. Express the cost of 36 such files in terms of s.
  2. Express the cost of the glue in terms of s.
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 $5 more than a glue. The total cost of 9 such files is $4s.
  1. Express the cost of 36 such files in terms of s.
  2. Express the cost of the glue in terms of s.