Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleProblem Department.AuthorsKuenzi, N. J.; Prielipp, BobPublicationSchool Science & Mathematics, 1981, Vol 81, Issue 8, p715ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1981.tb11527.x