Question
PSLE
A correction tape costs $5 more than a folder. The total cost of 7 such correction tapes is $5s.
  1. Express the cost of 21 such correction tapes in terms of s.
  2. Express the cost of the folder in terms of s.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A correction tape costs $5 more than a folder. The total cost of 7 such correction tapes is $5s.
  1. Express the cost of 21 such correction tapes in terms of s.
  2. Express the cost of the folder in terms of s.