document.write( "Question 387528: mary is 24 years old. tina is twice as old as mary 3 years ago. what will be tina's age 5 years from now? \n" ); document.write( "

Algebra.Com's Answer #273959 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"m\"$ = Mary's age now
\n" ); document.write( "Let $\"t\"$ = Tina's age now
\n" ); document.write( "Three years ago, mary was $\"24+-+3+=+21\"$
\n" ); document.write( "Three years ago, Tina was $\"t+-+3\"$
\n" ); document.write( "given:
\n" ); document.write( " $\"m+=+24\"$
\n" ); document.write( " $\"t+-+3+=+2%2A21\"$
\n" ); document.write( "-------------------
\n" ); document.write( " $\"t+=+42+%2B+3\"$
\n" ); document.write( " $\"t+=+45\"$
\n" ); document.write( "and
\n" ); document.write( " $\"t+%2B+5+=+45+%2B+5\"$
\n" ); document.write( " $\"t+%2B+5+=+50\"$
\n" ); document.write( "In five years, Tina will be 50 years old\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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