Question
PSLE
A ruler costs $4 less than a highlighter. The total cost of 3 such rulers is $2x.
  1. Express the cost of 12 such rulers in terms of x.
  2. Express the cost of the highlighter in terms of x.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A ruler costs $4 less than a highlighter. The total cost of 3 such rulers is $2x.
  1. Express the cost of 12 such rulers in terms of x.
  2. Express the cost of the highlighter in terms of x.