Question
PSLE
A file costs $2 more than a foolscap. The total cost of 7 such files is $5q.
  1. Express the cost of 21 such files in terms of q.
  2. Express the cost of the foolscap in terms of q.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A file costs $2 more than a foolscap. The total cost of 7 such files is $5q.
  1. Express the cost of 21 such files in terms of q.
  2. Express the cost of the foolscap in terms of q.