document.write( "Question 322761: i bought a big books the book have 100 pages for $8 while the smaal book have 25 pages for $2. I paid $28 and got total of 650 pages. How many of each did i buy?
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Algebra.Com's Answer #231081 by checkley77(12844)\"\" \"About 
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100x+25y=650 multiply by 2
\n" ); document.write( "8x+2y=28 multiply by -25 & add.
\n" ); document.write( "200x+50y=1300
\n" ); document.write( "-200x-50y=-700
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\n" ); document.write( "0x+0y=600 no solution for x & y.\r
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