document.write( "Question 615153: 20 years ago my age was 1/3 of what it is mow. what is my present age?
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document.write( "a)66 years
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document.write( "b)36 years
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document.write( "c)33 years
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document.write( "d)30 years \n" );
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Algebra.Com's Answer #387005 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 20 years ago my age was 1/3 of what it is now \n" ); document.write( ": \n" ); document.write( "Let a = age now \n" ); document.write( " \n" ); document.write( "multiply both sides by 3 \n" ); document.write( "a = 3(a-20) \n" ); document.write( "a = 3a - 60 \n" ); document.write( "60 = 3a - a \n" ); document.write( "60 = 2a \n" ); document.write( "a = 30 yrs now \n" ); document.write( " |