Re: bag of marbles question 5th grade HELP!

"Stan Brown" <the_stan_brown@[EMAIL PROTECTED]
> wrote in message 
news:MPG.22667904e928133998b5b4@[EMAIL PROTECTED]
> Mon, 7 Apr 2008 22:30:41 -0400 from Marvel <goh@[EMAIL PROTECTED]
>:
>> What would the formula be?
>>
>> In a bag of  red and black marbles there are 18 fewer red marbles than 
>> black
>>
>> If 45% of the marbles are red how many marbles are in the bag.
>
> If 45% are red then 55% are black. The difference is 10%. You already
> know the difference is 18.
>
> 18 is 10% of what number?
>
> -- 
> Stan Brown, Oak Road Systems, Tompkins County, New York, USA
>                                   http://OakRoadSystems.com
> ****kata ga nai...

Wakarimashta