Question
PSLE
A marker costs $5 less than a folder. The total cost of 3 such markers is $2b.
  1. Express the cost of 12 such markers in terms of b.
  2. Express the cost of the folder in terms of b.
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 $5 less than a folder. The total cost of 3 such markers is $2b.
  1. Express the cost of 12 such markers in terms of b.
  2. Express the cost of the folder in terms of b.