document.write( "Question 498227: Stephanie is 3 years older than Andrew. Twelve years from now the sum of their ages will be 30 years more than Stephanie's age at present.\r
\n" ); document.write( "\n" ); document.write( "a. If x represent Andrew's Present age; what represent Stephanie's age?
\n" ); document.write( "b. What expression represents the sum of the present ages of the two?
\n" ); document.write( "c. what expression represents the sum of their ages in 12 years?
\n" ); document.write( "d. What linear function may be used to solve the problem?
\n" ); document.write( "e. what are the present ages of the two?
\n" ); document.write( "

Algebra.Com's Answer #336964 by josmiceli(19441)\"\" \"About 
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(a)
\n" ); document.write( "\"+x+%2B+3+\"
\n" ); document.write( "(b)
\n" ); document.write( "\"+x+%2B+x+%2B+3+\" =
\n" ); document.write( "\"+2x+%2B+3+\"
\n" ); document.write( "(c)
\n" ); document.write( "\"+x+%2B+12+%2B+x+%2B+3+%2B+12+\" =
\n" ); document.write( "\"+2x+%2B+27+\"
\n" ); document.write( "(d)
\n" ); document.write( "\"+2x+%2B+27+=+x+%2B+3+%2B+30+\"
\n" ); document.write( "\"+x+=+33+-+27+\"
\n" ); document.write( "(e)
\n" ); document.write( "\"+x+=+6+\"
\n" ); document.write( "\"+x+%2B+3+=+9+\"
\n" ); document.write( "Andrew is 6, Stephanie is 9
\n" ); document.write( "check:
\n" ); document.write( "In 12 years,
\n" ); document.write( "\"+2x+%2B+27+=+12+%2B+27+\" =
\n" ); document.write( "\"+39+\"
\n" ); document.write( "\"+39+=+x+%2B+33+\"
\n" ); document.write( "\"+x+=+6+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );