document.write( "Question 1005275: Sushil is now 4times as old as sunil.Five years ago sushil was 7 times as old as sunil was then.Find the present age of each of them .this is how I did- when I tried I got-\r
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document.write( "4+x= 5 (7+x)
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document.write( "= 4+x= 35+5x
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document.write( "= 35-4=5x-x
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document.write( "31=4x
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document.write( "X= 4/31\r
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Algebra.Com's Answer #621576 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Sushil is now 4times as old as sunil. \n" ); document.write( "Sush = 4Sun \n" ); document.write( "Five years ago sushil was 7 times as \n" ); document.write( "old as sunil was then. \n" ); document.write( "Sush - 5 = 7(Sun - 5) \n" ); document.write( "Sush - 5 = 7Sun - 35 \n" ); document.write( "Replace Sush with 4Sun from top equation \n" ); document.write( "4Sun - 5 = 7Sun - 35 \n" ); document.write( "Collect like terms \n" ); document.write( "4Sun - 7Sun = -35 + 5 \n" ); document.write( "-3Sun = -30 \n" ); document.write( "Multiply both sides by -1 \n" ); document.write( "3Sun = 30 \n" ); document.write( "Sun = 10 \n" ); document.write( "Sunhil is currently 10 years old \n" ); document.write( "Sushil is currently 40 years old. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |