document.write( "Question 1140851: Presently, martha is 5 years younger than rita. Martha will , in another 5 years, be twice the age rita was 10 years ago. Calculate rita's age seven years from now \n" ); document.write( "
Algebra.Com's Answer #761357 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = Rita's age now
\n" ); document.write( "\"+x+-+5+\" = Martha's age now
\n" ); document.write( "-----------------------------------
\n" ); document.write( "\"+x+-+5+%2B+5+=+2%2A%28+x+-+10+%29+\"
\n" ); document.write( "\"+x+=+2x+-+20+\"
\n" ); document.write( "\"+x+=+20+\"
\n" ); document.write( "and
\n" ); document.write( "\"+x+%2B+7+=+20+%2B+7+\"
\n" ); document.write( "\"+x+%2B+7+=+27+\"
\n" ); document.write( "In 7 yrs, Rita will be 27
\n" ); document.write( "-------------------------------
\n" ); document.write( "check:
\n" ); document.write( "Martha is \"+x+-+5+=+15+\" now
\n" ); document.write( "In 5 yrs, she will be 20
\n" ); document.write( "Ten yrs ago, Rita was \"+20+-+10+=+10+\"
\n" ); document.write( "Martha will be twice that in 5 yrs.
\n" ); document.write( "Rita will be \"+20+%2B+7+=+27+\" in 7 yrs
\n" ); document.write( "OK
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