document.write( "Question 1143215: Jonna is 4 years older than her brother. What expression shows the sum of their ages if b represents Jonna’s brother’s age? \n" ); document.write( "

Algebra.Com's Answer #763997 by josmiceli(19441) $\"\"$ $\"About$

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The sum of their ages is:
\n" ); document.write( " $\"+b+%2B+%28+b+%2B+4+%29+=+2b+%2B+4+\"$
\n" ); document.write( "---------------------------------
\n" ); document.write( "Check:
\n" ); document.write( "suppose her brother is 10
\n" ); document.write( "Then Jonna is $\"+10+%2B+4+=+14+\"$
\n" ); document.write( "The sum of their ages is $\"+10+%2B+14+=+24+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+2b+%2B+4+=+2%2A10+%2B+4+\"$
\n" ); document.write( " $\"+2%2A10+%2B+4+=+24+\"$
\n" ); document.write( "OK \n" ); document.write( "

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