document.write( "Question 489659: Select the set of equations that represents the following situation: Mike invested $604 for one year. He invested part of it at 6% and the rest at 3%. At the end of the year he earned $29.91 in interest. How much did Mike invest at each rate of interest?\r
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\n" ); document.write( " 0.06x + 0.03y = 604; x + y = 29.91
\n" ); document.write( " x + y = 604; 6x + 3y = 29.91
\n" ); document.write( " x + y = 604; 0.06x + 0.03y = 29.91
\n" ); document.write( " 0.06 · 604 + 0.03 · 604 = 29.91
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Algebra.Com's Answer #333719 by mananth(16946)\"\" \"About 
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x + y = 604; 0.06x + 0.03y = 29.91 \n" ); document.write( "
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