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Math Help - no of days

  1. #1
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    no of days

    Hello,

    1. I am going to my uncle's place on 05/05/06 and will come back on 20/05/06.


    How many days will I stay there?

    Thanks.
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  2. #2
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    Quote Originally Posted by hanuman_2000 View Post
    Hello,

    1. I am going to my uncle's place on 05/05/06 and will come back on 20/05/06.


    How many days will I stay there?

    Thanks.
    I'm going to assume that the dates you gave are in the form of dd/mm/yy:

    You will stay there a total of: 20-5+1 = 16 days.
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  3. #3
    MHF Contributor arbolis's Avatar
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    1. I am going to my uncle's place on 05/05/06 and will come back on 20/05/06.


    How many days will I stay there?
    If I didn't misunderstood the question, you'll stay there 16 days. You arrive at your uncle place the 5th of may 2006 and you leave there the 20th of may 2006. At least I think it makes more sens than the answer of Juancd08 because 485 days is more than a year, so it would mean to live with your uncle.
    EDIT : Chop Suey!! You're too fast. ahahahah!!!
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  4. #4
    Senior Member nikhil's Avatar
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    Remember the mathematical assumption

    Quote Originally Posted by hanuman_2000 View Post
    Hello,

    1. I am going to my uncle's place on 05/05/06 and will come back on 20/05/06.


    How many days will I stay there?

    Thanks.
    Chop Suey's answer is correct for sure.I think I should bring your attention to a point(mathematical assumption).see the answer assumed that you were staying at your uncle's residence when you actually were going (not staying) to your uncle's.same is assumed when you returned.such thinking will enhance your use of mathematics in practical problems(if required)
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  5. #5
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    Quote Originally Posted by nikhil View Post
    Chop Suey's answer is correct for sure.I think I should bring your attention to a point(mathematical assumption).see the answer assumed that you were staying at your uncle's residence when you actually were going (not staying) to your uncle's.same is assumed when you returned.such thinking will enhance your use of mathematics in practical problems(if required)
    Well, this is based on the assumption that he arrived at his uncle's house when the clock ticked 00:00 AM, 05/05/06 and that he stayed there till the clock ticked 00:00 AM, 20/05/06 and he somehow managed to get back home at that instant.

    Of course, this question could be better when you specify the time of arrival, time of departure, etc..
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  6. #6
    Senior Member nikhil's Avatar
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    Quote Originally Posted by Chop Suey View Post
    Well, this is based on the assumption that he arrived at his uncle's house when the clock ticked 00:00 AM, 05/05/06 and that he stayed there till the clock ticked 00:00 AM, 20/05/06 and he SOMEHOW MANAGED TO GET BACK HOME AT THAT INSTANT.
    that's what draws a line between mathematics and practical problems.So from my side its always better to always think that what assumption was taken and what was the effect of that assumption(this thinking also helps alot in physics)
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  7. #7
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    Sorry

    opps Sorry I am so used to having the month on from that i though we were working with an unrealistic calendar.
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  8. #8
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    It is not always easy to count days, though just about any counting mechnism will get you within 1 or 2 days. If that's close enough, we're done.

    An exploration:

    How many days do you stay if you arrive on April 5 and leave on April 6.

    Well, 6-5 = 1, so one day, right? Maybe.

    What if you arrive at 4:15 AM on the 5th and leave at 10:30 PM on the 6th?

    Isn't that more like 2 days?

    What if you arrive at 11:30 PM on the 5th and leave at 3:11 AM on the 6th?

    That's not even four hours! One hardly could call that a "day".

    When counting days for real, like a bank statement charging interest, it is important to know if the bank's definition of day is "End of Day" or "Beginning of Day".

    One can ALWAYS judge the effects of a counting technique by reducing the problem to a single day. If you deposit your money on May 3rd and withdraw it on May 3rd (the same day), will you get one day's interest? Maybe. If you are the bank, will you pay it? Maybe. Lack of consistency will result in lawsuits.

    How many days? It's not always an easy question.
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