document.write( "Question 987680: 8 pears and 2 oranges cost Rs117. A pear cost Rs4 more than an orange. What is the cost of a pear? \n" ); document.write( "
Algebra.Com's Answer #608432 by macston(5194)\"\" \"About 
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\n" ); document.write( "X=cost of orange; Y=cost of pear=X+Rs4
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\n" ); document.write( "8Y+2X=Rs117 Substitute for Y.
\n" ); document.write( "8(X+Rs4)+2X=Rs117
\n" ); document.write( "8X+Rs32+2x=Rs117
\n" ); document.write( "10X=Rs85
\n" ); document.write( "X=8.5 An orange costs Rs8.5
\n" ); document.write( "Y=X+Rs4=Rs8.5+Rs4=Rs12.5
\n" ); document.write( "ANSWER: A pear costs Rs12.5.
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\n" ); document.write( "CHECK:
\n" ); document.write( "8Y+2X=Rs117
\n" ); document.write( "8(Rs12.5)+2(Rs8.5)=Rs117
\n" ); document.write( "Rs100+Rs17=Rs117
\n" ); document.write( "Rs117=Rs117
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