document.write( "Question 411781: Jay invested a sum of money at 6% per year and 3 times as much at 4% per year. How much did he invest at the rate if his annual return totaled $144 \n" ); document.write( "
Algebra.Com's Answer #289355 by shree840(260)\"\" \"About 
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annual return will mean period is one year.
\n" ); document.write( "x(1.06)+3x(1.04)=144
\n" ); document.write( "or 1.06x+3.12x=144
\n" ); document.write( "4.18x+144
\n" ); document.write( "x=144/4.18
\n" ); document.write( "x=34.44
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