Question
PSLE
A glue costs $4 more than a folder. The total cost of 7 such glues is $5k.
  1. Express the cost of 28 such glues in terms of k.
  2. Express the cost of the folder in terms of k.
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 $4 more than a folder. The total cost of 7 such glues is $5k.
  1. Express the cost of 28 such glues in terms of k.
  2. Express the cost of the folder in terms of k.