document.write( "Question 844077: Rene is twice as old as Dana.
\n" ); document.write( "Four years ago, Rene was three times as old as Dana.\r
\n" ); document.write( "\n" ); document.write( "How old are Rene and Dana now? Show work\r
\n" ); document.write( "\n" ); document.write( "Write an algebraic expression to tell how old Rene is if Dana is d year old. Explain how you figured it out. \n" ); document.write( "

Algebra.Com's Answer #508526 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
(1) $\"+r+=+2d+\"$
\n" ); document.write( "(2) $\"+r+-+4+=+3%2A%28+d+-+4+%29+\"$
\n" ); document.write( "------------------------
\n" ); document.write( "(2) $\"+r+-+4+=+3d+-+12+\"$
\n" ); document.write( "(2) $\"+3d+-+r+=+8+\"$
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+3d+-+2d+=+8+\"$
\n" ); document.write( "(2) $\"+d+=+8+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+r+=+2d+\"$
\n" ); document.write( "(1) $\"+r+=+16+\"$
\n" ); document.write( "Rene is 16 and Dana is 8
\n" ); document.write( "-----------------------
\n" ); document.write( "(2) $\"+r+-+4+=+3%2A%28+d+-+4+%29+\"$
\n" ); document.write( "(2) $\"+r+=+3d+-+12+%2B+4+\"$
\n" ); document.write( "(2) $\"+r+=+3d+-+8+\"$ \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );