document.write( "Question 709157: \r
\n" ); document.write( "\n" ); document.write( "A cup costs Rs.8 and a glass costs Rs 12. If their equal number is bought for Rs.120. Find the numbers of cups bought?
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Algebra.Com's Answer #436429 by checkley79(3341)\"\" \"About 
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8X+12X=120
\n" ); document.write( "20X=120
\n" ); document.write( "X=120/20
\n" ); document.write( "X=6 OF EACH WAS BOUGHT.
\n" ); document.write( "PROOF:
\n" ); document.write( "8*6+12*6=120
\n" ); document.write( "48+72=120
\n" ); document.write( "120=120
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