document.write( "Question 888999: 5 years ago Daniel was older than Alex by 2 times. Now, both ages together adds up to 14. How old are both people? \n" ); document.write( "

Algebra.Com's Answer #537816 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+d+\"$ = Daniel's age now
\n" ); document.write( "Let $\"+a+\"$ = Alex's age now
\n" ); document.write( "--------------------------
\n" ); document.write( "(1) $\"+d+-+5+=+2%2A%28+a+-+5+%29+\"$
\n" ); document.write( "(2) $\"+d+%2B+a+=+14+\"$
\n" ); document.write( "-----------------------
\n" ); document.write( "(2) $\"+d+=+14+-+a+\"$
\n" ); document.write( "Plug this into (1)
\n" ); document.write( "(1) $\"+14+-+a+-+5+=+2%2A%28+a+-+5+%29+\"$
\n" ); document.write( "(1) $\"+9+-+a+=+2a+-+10+\"$
\n" ); document.write( "(1) $\"+3a+=+19+\"$
\n" ); document.write( "(1) $\"+a+=+19%2F3+\"$
\n" ); document.write( "and, since
\n" ); document.write( "(2) $\"+d+=+14+-+a+\"$
\n" ); document.write( "(2) $\"+d+=+14+-+19%2F3+\"$
\n" ); document.write( "(2) $\"+d+=+42%2F3+-+19%2F3+\"$
\n" ); document.write( "(2) $\"+d+=+23%2F3+\"$
\n" ); document.write( "------------------
\n" ); document.write( "Daniel is 7 yrs 8 months
\n" ); document.write( "Alex is 6 yrs 4 months
\n" ); document.write( "----------------------
\n" ); document.write( "check answer:
\n" ); document.write( "(1) $\"+d+-+5+=+2%2A%28+a+-+5+%29+\"$
\n" ); document.write( "(1) $\"+23%2F3+-+5+=+2%2A%28+19%2F3+-+5+%29+\"$
\n" ); document.write( "(1) $\"+23%2F3+-+15%2F3+=+2%2A%28+19%2F3+-+15%2F3+%29+\"$
\n" ); document.write( "(1) $\"+8%2F3+=+2%2A%28+4%2F3+%29+\"$
\n" ); document.write( "(1) $\"+8%2F3+=+8%2F3+\"$
\n" ); document.write( "OK
\n" ); document.write( "-----------------
\n" ); document.write( "The answers are strange- not whole numbers.
\n" ); document.write( "Are you sure you copied it right?\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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