Question
PSLE
A ruler costs $5 more than a puncher. The total cost of 7 such rulers is $5e.
  1. Express the cost of 14 such rulers in terms of e.
  2. Express the cost of the puncher in terms of e.
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 $5 more than a puncher. The total cost of 7 such rulers is $5e.
  1. Express the cost of 14 such rulers in terms of e.
  2. Express the cost of the puncher in terms of e.