Question
PSLE
A stapler costs $1 less than a glue. The total cost of 5 such staplers is $4f.
  1. Express the cost of 20 such staplers in terms of f.
  2. Express the cost of the glue in terms of f.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A stapler costs $1 less than a glue. The total cost of 5 such staplers is $4f.
  1. Express the cost of 20 such staplers in terms of f.
  2. Express the cost of the glue in terms of f.