Question
PSLE
A stapler costs $5 more than a highlighter. The total cost of 7 such staplers is $3c.
  1. Express the cost of 21 such staplers in terms of c.
  2. Express the cost of the highlighter in terms of c.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A stapler costs $5 more than a highlighter. The total cost of 7 such staplers is $3c.
  1. Express the cost of 21 such staplers in terms of c.
  2. Express the cost of the highlighter in terms of c.