Question
PSLE
A marker costs $1 more than a file. The total cost of 4 such markers is $5w.
  1. Express the cost of 12 such markers in terms of w.
  2. Express the cost of the file in terms of w.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A marker costs $1 more than a file. The total cost of 4 such markers is $5w.
  1. Express the cost of 12 such markers in terms of w.
  2. Express the cost of the file in terms of w.