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 Post subject: Book X, Page 107, Number 79Posted: Mon May 09, 2011 4:20 pm

Joined: Fri Mar 18, 2011 12:27 pm
Posts: 17
x = hardcover
(108 - x) = softcover

(2/3)x + (1/4)(108 - x) =
(2/3)x + 27 - (x/4)
(5/12)x + 27

I understand how I got to this point but I don't understand where to go from here or how to use the equation to find the answer.

Can someone please explain the solution to me??
Thank you!

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 Post subject: Re: Book X, Page 107, Number 79Posted: Mon May 09, 2011 5:27 pm

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497
both "x" and " (5/12)x + 27 " have to be integers

we have the pick the largest "x" that allows " (5/12)x + 27 " to be an integer

x can't be 108 because there are "some" softcover books and x being 108 would make the number of softcover books = 0

the next option is x = 96

(5/12)(96) + 27 = 67

Veritas Help

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 Post subject: Re: Book X, Page 107, Number 79Posted: Tue May 10, 2011 5:26 am

Joined: Fri Mar 18, 2011 12:27 pm
Posts: 17
thank you

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