document.write( "Question 627533: raju is now 4 times as old as sony.five years ago raju was 7 times as old as sony.find their present age. \n" ); document.write( "
Algebra.Com's Answer #394960 by reviewermath(1029)![]() ![]() You can put this solution on YOUR website! Let x = current age of Sony \n" ); document.write( " so 4x = current age of Raju\r \n" ); document.write( "\n" ); document.write( " x - 5 = age of Sony 5 years ago \n" ); document.write( " 4x - 5 = age of Raju 5 years ago\r \n" ); document.write( "\n" ); document.write( "4x - 5 = 7(x - 5) \n" ); document.write( "4x - 5 = 7x - 35 \n" ); document.write( "-3x = -30 \n" ); document.write( "x = 10\r \n" ); document.write( "\n" ); document.write( "Therefore, Sony is 10 years old and Raju is 40 years old. \n" ); document.write( " |