Author Topic: MATH  (Read 345 times)

Throwback

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Re: MATH
« Reply #15 on: July 04, 2004, 11:23:37 AM »
Quote
OMG! I can't believe you're doing that in your free time!  :o
i actually like math and i like doing weird stuff in my free time.  some stuff includes drawing, reading scientific books, and playing video games.  i also like to help others out when i can.  people always thought i was going to grow up to be a math teacher back when i was in high school.

drawing and playing videogames arent weird IMO
 

West C. Connected

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Re: MATH
« Reply #16 on: July 04, 2004, 11:25:39 AM »
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Torrance split an inheritance between two investments, one paying 7% and the other paying 10%. He invested twice as much at 10% as at 7%. The combined annual income from two investments was $4050. How much did Torrance inherit?
i'll help with the first one and then see if you can do the other one on your own... i'll just break it down into steps so you can see how i came up with the answer...
(1)  understand what you are looking for.
(2)  assign variables and understand what those variables stand for.  we'll use x and y say that x stands for an amount of money and y stands for the amount of money inherited.
y=inheritance
x=the inheritance that was split up
(3)  set up equations...
the inheritance was split up two ways... one investment was twice as much as the other...
y=2x+x  -->  y=3x
Torrance split an inheritance between two investments, one paying 7% and the other paying 10%. He invested twice as much at 10% as at 7%.  The combined annual income from two investments was $4050...
2(.1x)+.07x=4050
(4)  solve the equations...
2(.1x)+.07x=4050  ... multiply the 2 and the .1 x
.2x+.07x=4050 ... add the two x's together
.27x=4050 ... divide both sides of the equation by .27
x=15000 ... now go back and plug x into the first equation
y=3(15000) ... mutiply
y=45000
the teacher might want you to write the answer out in a complete sentence or something...
Torance inherited $45,000.
(5)  reread the problem and make sure you answered the question
(6)  check your answer


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CrAzY_gIrL

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Re: MATH
« Reply #17 on: July 05, 2004, 09:57:15 PM »
Quote
Torrance split an inheritance between two investments, one paying 7% and the other paying 10%. He invested twice as much at 10% as at 7%. The combined annual income from two investments was $4050. How much did Torrance inherit?
i'll help with the first one and then see if you can do the other one on your own... i'll just break it down into steps so you can see how i came up with the answer...
(1)  understand what you are looking for.
(2)  assign variables and understand what those variables stand for.  we'll use x and y say that x stands for an amount of money and y stands for the amount of money inherited.
y=inheritance
x=the inheritance that was split up
(3)  set up equations...
the inheritance was split up two ways... one investment was twice as much as the other...
y=2x+x  -->  y=3x
Torrance split an inheritance between two investments, one paying 7% and the other paying 10%. He invested twice as much at 10% as at 7%.  The combined annual income from two investments was $4050...
2(.1x)+.07x=4050
(4)  solve the equations...
2(.1x)+.07x=4050  ... multiply the 2 and the .1 x
.2x+.07x=4050 ... add the two x's together
.27x=4050 ... divide both sides of the equation by .27
x=15000 ... now go back and plug x into the first equation
y=3(15000) ... mutiply
y=45000
the teacher might want you to write the answer out in a complete sentence or something...
Torance inherited $45,000.
(5)  reread the problem and make sure you answered the question
(6)  check your answer

Oh my gosh that's the right answer. So where do u live Swish? Anywhere in Cali? ;D

P.S. Thank u sooooooooooo much. It's still confusing, cause I ain't into that kind of math. :'(

 

-VZA-

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Re: MATH
« Reply #18 on: July 05, 2004, 11:37:21 PM »
yeah... i'm in san diego.  oh yeah and it was no problem... it actually took longer to type than it did to figure out.
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CrAzY_gIrL

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Re: MATH
« Reply #19 on: July 06, 2004, 01:32:54 AM »
yeah... i'm in san diego.  oh yeah and it was no problem... it actually took longer to type than it did to figure out.
Damn lucky you. Want to come live with me 4 a month? :-\

 

::Mr. Hahn::

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Re: MATH
« Reply #20 on: July 06, 2004, 03:55:09 AM »
I like you, struggle at math and i fkn hate it.
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As I prepare to meet my moment of truth"
 

-VZA-

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Re: MATH
« Reply #21 on: July 06, 2004, 02:30:09 PM »
yeah... i'm in san diego.  oh yeah and it was no problem... it actually took longer to type than it did to figure out.
Damn lucky you. Want to come live with me 4 a month? :-\
no offense but... i don't even know you.  it might be cool if i got to know you first or something.  like i said before, i could always try to help you out online.  do you have a screen name or something?
« Last Edit: July 06, 2004, 02:40:01 PM by Swish »
Ninja Babes - http://groups.yahoo.com/group/NinjaBabes
like women who have abortions... i'm not havin' it.  ~canibus~
bust a nut inside your eye just to show you where i come from.  ~phife dawg~
like a man without no arms... you can't hang.  ~method man~
<--my future wifey