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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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asked Apr 1, 2016 225k views

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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?

Mathematics
middle-school

Gumape asked

by Gumape

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1 Answer

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$7x+2x=450\\ 9x=450\\ x=50\\\\ 7x=350\\ 2x=100$

core(?) - 350 pages
advanced - 100 pages

Julito answered Apr 6, 2016

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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