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Re: Help with 5th grade math

by Paul Sperry <plsperry@[EMAIL PROTECTED] > Nov 13, 2007 at 06:04 AM

In article <see-884DEA.15444013112007@[EMAIL PROTECTED]
>, Barb Knox
<see@[EMAIL PROTECTED]
> wrote:

> In article <4738fefa$0$19614$4c368faf@[EMAIL PROTECTED]
>,
>  "Marvel" <Martel@[EMAIL PROTECTED]
> wrote:
> 
> > I cant figure it out any help appreciated!
> > 
> > I am not smarter than a fifth grader!
> > ------
> > 
> > Ben had 50 more coins than Joan.
> 
> Let B and J be Ben's and Joan's initial coins, respectively.
> So [1]:  B = 50 + J
> 
> > After Joan gave 29 of her coins to Ben, she had 

 1/3 as many coins as Ben.

> So [2]:  (J - 29) = (B + 29) ...
> 
> (You fill in the "...")
> 
> That gives 2 equations in 2 unknowns.
> Solve by substituting 50+J (from [1]) for every B in [2], and then 
> re-arranging terms to get all the 'J's on one side.
> 
> > How many coins did Ben have at first? 
> 
> Having solved for J, use [1] to calculate B.

-- 
Paul Sperry
Columbia, SC (USA)
 




 6 Posts in Topic:
Help with 5th grade math
"Marvel" <Ma  2007-11-12 20:34:12 
Re: Help with 5th grade math
Barb Knox <see@[EMAIL   2007-11-13 15:44:40 
Re: Help with 5th grade math
"Marvel" <Ma  2007-11-13 00:18:46 
Re: Help with 5th grade math
Paul Sperry <plsperry@  2007-11-13 06:04:37 
Re: Help with 5th grade math
"Brian M. Scott"  2007-11-12 22:06:41 
Re: Help with 5th grade math
"Marvel" <Ma  2007-11-13 00:20:02 

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