document.write( "Question 774394: Jenny is twice as old as Jimmy. Jesse is 10 years older then jimmy. If the sum of their ages is 90, how old is Jenny? \n" ); document.write( "
Algebra.Com's Answer #472216 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Jenny is twice as old as Jimmy. Jesse is 10 years older then jimmy. If the sum of their ages is 90, how old is Jenny? \n" ); document.write( "*** \n" ); document.write( "let x=Jimmy's present age \n" ); document.write( "2x=Jenny's present age \n" ); document.write( "x+10=Jesse's present age \n" ); document.write( "x+2x+x+10=90 \n" ); document.write( "4x=80 \n" ); document.write( "x=20 \n" ); document.write( "2x=40 \n" ); document.write( "how old is Jenny? 40 \n" ); document.write( " |