document.write( "Question 1107560: Bridget's classroom started out with a collection of only 6 books, but she plans to purchase an additional 3 books per week. Cole's library started out with 38 books, and he will purchase another 1 book per week. At what week and amount of books will the two libraries be the same? \n" ); document.write( "
Algebra.Com's Answer #843414 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Solve it MENTALLY, without using equations.\r
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document.write( "    Initial difference is 38-6 = 32 books.\r\n" );
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document.write( "    Each week the difference diminishes by 3-1 = 2 books.\r\n" );
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document.write( "    So, the difference becomes 0 (zero) in 32/2 = 16 weeks.\r\n" );
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\n" ); document.write( "\n" ); document.write( "At this point, the MENTAL solution is just complete.\r
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\n" ); document.write( "\n" ); document.write( "I placed this mental solution here in order for you better understand how simple the problem is.\r
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