Question
PSLE
A notebook costs $4 more than a ruler. The total cost of 5 such notebooks is $3d.
  1. Express the cost of 15 such notebooks in terms of d.
  2. Express the cost of the ruler in terms of d.
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 $4 more than a ruler. The total cost of 5 such notebooks is $3d.
  1. Express the cost of 15 such notebooks in terms of d.
  2. Express the cost of the ruler in terms of d.