Question
PSLE
A pen costs $5 less than a marker. The total cost of 9 such pens is $5t.
  1. Express the cost of 27 such pens in terms of t.
  2. Express the cost of the marker in terms of t.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A pen costs $5 less than a marker. The total cost of 9 such pens is $5t.
  1. Express the cost of 27 such pens in terms of t.
  2. Express the cost of the marker in terms of t.