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 #827944 - Sat Sep 29 2012 09:29 AM Re: How would you do this maths equation? sue943 Administrator Registered: Sun Dec 19 1999 Posts: 35719 Loc: Jersey Channel Islands Then it ought to have had a colon, not a fullstop. _________________________ Many a child has been spoiled because you can't spank a Grandma! Top
 #828038 - Sat Sep 29 2012 12:57 PM Re: How would you do this maths equation? mehaul Forum Champion Registered: Wed Feb 03 2010 Posts: 5257 Loc: Florida USA Agreed, 3:25 means Twenty-five minutes past Three O'Clock but I've never seen that notation to mean three hours and twenty-five minutes. The notation 3.25 means three and a quarter hours. The only way I know to express Three hours and twenty-five minutes in just numbers and punctuation is 3 5/12 hrs. There is no decimally exact way to express it.Note there is a similar method used in baseball when recording the number of outs a pitcher records. Since an inning has three outs and you want to say that he (sorry ladies) pitched 2 and two-thirds (2.666...) the current convention is to state it as 2.2 innings, Two point three innings would be the same as three point zero innings, So, the types of notion you'd see in a statistics list for baseball pitchers would all end in point zero, one or two. It makes sense in the context if you know the convention. In the time problem, the convention of twenty-five minutes being expressed as point two five flies in the face of the convention widely accepted that point two five equals a quarter hour and nothing else. _________________________ If you aren't seeing Heaven while you dream, you're doing something wrong.Dreams allow escape from the passage of Time. Top
 #830884 - Thu Oct 11 2012 11:11 AM Re: How would you do this maths equation? dg_dave Star Poster Registered: Sun Oct 05 2003 Posts: 19724 Loc: Dallas, TX USA Originally Posted By: mehaulThe only way I know to express Three hours and twenty-five minutes in just numbers and punctuation is 3 5/12 hrs. There is no decimally exact way to express it. 3.416 (the 6 needs a bar over it) would be decimally correct.I cannot fathom going through math that is systematically incorrect. Edited by dg_dave (Thu Oct 11 2012 11:12 AM) _________________________ The way to get things done is NOT to mind who gets the credit for doing them. --Benjamin JowettNo one can make you feel inferior without your consent. --Eleanor RooseveltThe day we lose our will to fight is the day we lose our freedom. Top
 #834262 - Fri Oct 26 2012 12:33 AM Re: How would you do this maths equation? looney_tunes Multiloquent Registered: Tue Jan 20 2009 Posts: 3097 Loc: Briar Hill Victoria Australia I am a diehard for the use of a colon in times. Here is Australia, it has become standard practice to use a full stop (no shift key needed) in printed documents, but I retype every document I get my hands on to change it to a colon. As a maths teacher, I want that decimal point to have a consistent meaning. Of course, the universal practice of showing the cricket progress scores in terms of how many overs have been bowled using a full stop (when the number that follows is out of a maximum of 6) totally undermines my position in the adolescent mind. _________________________ (Editor in Humanities, Literature and Books For Children)That's all, folks! Top
 #834311 - Fri Oct 26 2012 05:22 AM Re: How would you do this maths equation? Copago Moderator Registered: Tue May 15 2001 Posts: 14161 Loc: Australia A maths teacher! Please pass by here often, Looney - I'm sure I'll be needing more help along the way! Top
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