Question
PSLE
A glue costs $5 less than a file. The total cost of 5 such glues is $2y.
  1. Express the cost of 20 such glues in terms of y.
  2. Express the cost of the file in terms of y.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A glue costs $5 less than a file. The total cost of 5 such glues is $2y.
  1. Express the cost of 20 such glues in terms of y.
  2. Express the cost of the file in terms of y.