18-10-2015
Mathematics

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a java book is comprised of two sections coremand advanced java in the ratio 7:2.how much of each type of content will be needed to make a book of 450 pages?

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konrad509 konrad509

18-10-2015

[tex]7x+2x=450\\ 9x=450\\ x=50\\\\ 7x=350\\ 2x=100[/tex]

core(?) - 350 pages
advanced - 100 pages

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