document.write( "Question 551734: Shanti is 5 times as old as her brother. Next year, she will be 3 times as old. What is Shanti's age now?\r
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document.write( "How do you solve this? \n" );
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Algebra.Com's Answer #359862 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! s = her age, b = brother's age \n" ); document.write( "---- \n" ); document.write( "Now, s = 5b \n" ); document.write( "Next year, \n" ); document.write( "s+1 = 3(b+1) = 3b+3 \n" ); document.write( "---- \n" ); document.write( "s = 3b+2 \n" ); document.write( "s = 5b \n" ); document.write( "Sub for s in the 1st equation \n" ); document.write( "5b = 3b + 2 \n" ); document.write( "2b = 2 \n" ); document.write( "b = 1 \n" ); document.write( "------ \n" ); document.write( "s = 5 \n" ); document.write( " \n" ); document.write( " |