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)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "X=cost of orange; Y=cost of pear=X+Rs4 \n" ); document.write( ". \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. \n" ); document.write( ". \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 \n" ); document.write( " \n" ); document.write( " |