document.write( "Question 987292: Sarah worked 16 hours babysitting last week. She earned $5 per hour working for the smiths, and she earned $5.50 per hour working for the Jones. If she earned a total of $82 how many hours did she work for the Jones? \n" ); document.write( "

Algebra.Com's Answer #608042 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+n+\"$ = number of hrs she worked for Jones
\n" ); document.write( " $\"+16+-+x+\"$ = number of hrs she worked for Smiths
\n" ); document.write( "------------------
\n" ); document.write( " $\"+5%2A%28+16+-+n+%29+%2B+5.5n+=+82+\"$
\n" ); document.write( " $\"+80+-+5n+%2B+5.5n+=+82+\"$
\n" ); document.write( " $\"+.5n+=+2+\"$
\n" ); document.write( " $\"+n+=+4+\"$
\n" ); document.write( "She worked 4 hrs for the Jones
\n" ); document.write( "------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+5%2A%28+16+-+n+%29+%2B+5.5n+=+82+\"$
\n" ); document.write( " $\"+5%2A%28+16+-+4+%29+%2B+5.5%2A4+=+82+\"$
\n" ); document.write( " $\"+5%2A12+%2B+22+=+82+\"$
\n" ); document.write( " $\"+60+%2B+22+=+82+\"$
\n" ); document.write( " $\"+82+=+82+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

\n" );