Please note that you can never be optimistic about passing WAEC examination by relying on examination malpractice, because you can be caught while doing it. More so, If unfortunately, you are caught engaging in examination malpractice, then your success in the examination has been totally jeopardize...
A 2-by-4 stud wall, insulated, with slightly thicker ⅝-inch drywall on each side will give you an STC rating of about 40. (See What Is An STC Rating?) Many condos or apartments have partition walls built with staggered double 2-by-4 stud framing and, in some cases, one or two ...