Question
PSLE
A foolscap costs $3 less than a ruler. The total cost of 9 such foolscaps is $4z.
  1. Express the cost of 36 such foolscaps in terms of z.
  2. Express the cost of the ruler in terms of z.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A foolscap costs $3 less than a ruler. The total cost of 9 such foolscaps is $4z.
  1. Express the cost of 36 such foolscaps in terms of z.
  2. Express the cost of the ruler in terms of z.