Question
PSLE
A notebook costs $2 less than a pen. The total cost of 6 such notebooks is $5b.
  1. Express the cost of 18 such notebooks in terms of b.
  2. Express the cost of the pen 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 notebook costs $2 less than a pen. The total cost of 6 such notebooks is $5b.
  1. Express the cost of 18 such notebooks in terms of b.
  2. Express the cost of the pen in terms of b.