PSLE A correction tape costs $1 less than a glue. The total cost of 7 such correction tapes is $5
h.
- Express the cost of 14 such correction tapes in terms of h.
- Express the cost of the glue in terms of h.
(a)
Number of sets of 7 correction tapes in 14 correction tapes
= 14 ÷ 7
= 2
Cost of 14 correction tapes
= 2 x 5
h = $10
h (b)
Cost of a correction tape
= 5
h ÷ 7
= $
5h7 Cost of a glue
=
5h7 + 1
=
5h7 +
77= $(
5h + 77)
Answer(s): (a) $10
h; (b) $(
5h + 77) or $(
5h7 + 1)