document.write( "Question 620190: melinda earns $115 less per week than barbara. the combined income of these two people is $411 per week. How much per week does each person earn ? \n" ); document.write( "

Algebra.Com's Answer #389969 by vleith(2983) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let melinda's pay be l
\n" ); document.write( "Let barb's be b
\n" ); document.write( "You are told
\n" ); document.write( " $\"m+=+b+-+115\"$
\n" ); document.write( " $\"m+%2B+b+=+411\"$ substitute the first eqaution's value for m into the second one
\n" ); document.write( " $\"%28b+-+115%29+%2B+b+=+411\"$
\n" ); document.write( " $\"2b+=+411%2B115\"$
\n" ); document.write( " $\"2b+=+526\"$
\n" ); document.write( " $\"b+=+263\"$
\n" ); document.write( "so m = 263-115 = 148 \n" ); document.write( "

\n" );