document.write( "Question 978394: In 5 years time, Reshma will be three as she was 9 years ago. How old is she now? \r
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Algebra.Com's Answer #599800 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! In 5 years time, Reshma will be three times as she was 9 years ago. \n" ); document.write( " How old is she now? \n" ); document.write( ": \n" ); document.write( "let a = her age now \n" ); document.write( "a + 5 = 3(a-9) \n" ); document.write( "a + 5 = 3a - 27 \n" ); document.write( "5 + 27 = 3a - a \n" ); document.write( "32 = 2a \n" ); document.write( "a = 32/2 \n" ); document.write( "a = 16 yrs now \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "See if that checks out \n" ); document.write( "16 + 5 = 3(16-9) \n" ); document.write( "21 = 3(7) \n" ); document.write( " \n" ); document.write( " |