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  1. Join Date
    Jan 2015
    Posts
    10,464
    #4261
    Quote Originally Posted by dreamur View Post
    Heto for the not so genius
    Sent from my SM-N970F using Tapatalk
    This 1, too...just to while your time. 2hr limit is way too long.Joke Time!

    Sent from my SM-G970F using Tapatalk

  2. Join Date
    Jan 2006
    Posts
    10,362
    #4262
    Quote Originally Posted by travajante View Post
    This 1, too...just to while your time. 2hr limit is way too long.Joke Time!

    Sent from my SM-G970F using Tapatalk
    Assuming each number in the box is unique:

    A + B = 8
    C - D = 6
    A + C = 13
    B + C = 8


    Sent from my iPhone using Tapatalk

  3. Join Date
    Jan 2015
    Posts
    10,464
    #4263
    Quote Originally Posted by Egan101 View Post
    Assuming each number in the box is unique:

    A + B = 8
    C - D = 6
    A + C = 13
    B + C = 8


    Sent from my iPhone using Tapatalk
    Yes....carry on, bai.Joke Time!

    Sent from my SM-G970F using Tapatalk

  4. Join Date
    Feb 2019
    Posts
    1,514
    #4264
    and suddenly we became math wizard with those memes. Lol

  5. Join Date
    Dec 2017
    Posts
    2,448
    #4265
    Quote Originally Posted by travajante View Post
    Yes....carry on, bai.Joke Time!

    Sent from my SM-G970F using Tapatalk
    Four equations in four unknowns...

    Now, where's my scientific calculator? Joke Time!

  6. Join Date
    Jan 2006
    Posts
    10,362
    #4266
    Quote Originally Posted by Archerfish View Post
    Four equations in four unknowns...

    Now, where's my scientific calculator? Joke Time!
    Saan ka nakakabili ng Calculator na puwede gumawa nyan? I remembered back in my high school freshman year that we do it by hand.


    Sent from my iPhone using Tapatalk

  7. Join Date
    Apr 2010
    Posts
    74
    #4267
    By trial & error
    A + B = 8

    C - D = 6

    A + C = 13

    B + D = 8

    A=3.5
    B=4.5
    C=9.5
    D=3.5

    Sent from my POCOPHONE F1 using Tapatalk

  8. Join Date
    Jan 2006
    Posts
    10,362
    #4268
    Quote Originally Posted by doo View Post
    By trial & error
    A + B = 8

    C - D = 6

    A + C = 13

    B + D = 8

    A=3.5
    B=4.5
    C=9.5
    D=3.5

    Sent from my POCOPHONE F1 using Tapatalk
    Kudos! I admire your patience.

    Solution:

    B+D = 8
    +
    C-D = 6
    =
    B+C = 14

    B+C = 14
    -
    A+C = 13
    =
    B-A = 1
    B = A+1

    Substitute B to equation 1
    A + (A+1) = 8
    2A = 7
    A = 3.5

    B = 8 - A = 4.5
    C = 13 - A = 9.5
    D = 8 - B = 3.5

    A and D are not unique after all.


    Sent from my iPhone using Tapatalk

  9. Join Date
    Dec 2017
    Posts
    2,448
    #4269
    Quote Originally Posted by Egan101 View Post
    Saan ka nakakabili ng Calculator na puwede gumawa nyan? I remembered back in my high school freshman year that we do it by hand.


    Sent from my iPhone using Tapatalk
    What a shame! I thought I can get away in getting the answer without me solving it manually but this is only good for 3 equations with 3 unknowns.



    I think I need to open MATLAB and let the computer do the work for me or perhaps I should exercise my brain. I better look for a pen and paper.
    Joke Time!

  10. Join Date
    Dec 2017
    Posts
    2,448
    #4270
    Quote Originally Posted by doo View Post
    By trial & error
    A + B = 8

    C - D = 6

    A + C = 13

    B + D = 8

    A=3.5
    B=4.5
    C=9.5
    D=3.5

    Sent from my POCOPHONE F1 using Tapatalk
    Trial and error? How do you do that? And the answers​ have "decimals"! You must be a genius.

Joke Time!