tammiehy Active 3 weeks agoTopics: 6Replies: 4☆ProfileForumsTopics StartedReplies CreatedEngagementsForum Replies CreatedViewing 4 posts - 1 through 4 (of 4 total)AuthorPosts May 17, 2016 at 7:18 am #315400 tammiehyParticipantTopics: 6Replies: 4☆I would like to know too as am equally confused on which one to use. March 9, 2011 at 12:57 pm #79449 tammiehyParticipantTopics: 6Replies: 4☆orit,thanx alot March 7, 2011 at 8:28 am #79453 tammiehyParticipantTopics: 6Replies: 4☆Thanx alot for the help. November 30, 2010 at 6:28 am #70930 tammiehyParticipantTopics: 6Replies: 4☆alfo thanx so much.thats the correct answer.i wanted to know how it was calculated.you’ve really helped me and i now understand it.All the best in your exams.AuthorPostsViewing 4 posts - 1 through 4 (of 4 total)