document.write( "Question 1091946: Census Data from 2003 for various age groups show that for each R100 increase in the median weekly income
\n" ); document.write( "for men, the median weekly income of women increases by R61.90. Also, for workers of ages 25 to 54 the
\n" ); document.write( "median weekly income for men was R676 and for women was R527. Let M represent the median weekly income for men and W the median weekly income for women, and write the equation of the line that gives W as a linear function of M.
\n" ); document.write( "[1] W = 0.381M + 269 444
\n" ); document.write( "[2] W = 2.625M − 1247 278
\n" ); document.write( "[3] W = 0.619M + 108 556
\n" ); document.write( "[4] W = 1.6166M − 565 084
\n" ); document.write( "[5] None of the above. \n" ); document.write( "

Algebra.Com's Answer #706783 by greenestamps(13198) $\"\"$ $\"About$

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The slope of the line has to be 61.9/100 = 0.619; so the only possible correct answer is [3], W = 0.619M + 108.556. We just need to see if that equation is satisfied by the given point.

\n" ); document.write( " $\"0.619%28676%29%2B108.556+=+527\"$

\n" ); document.write( "Yes, [3] is the right equation.
\n" ); document.write( " \n" ); document.write( "

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