document.write( "Question 107320This question is from textbook College Algebra
\n" ); document.write( ": Equal amounts are invested at 6%, 7%, and 8% annual interest. If the three investments yield a total of $2,037 annual interest, find the total investment. \n" ); document.write( "

Algebra.Com's Answer #78116 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Equal amounts are invested at 6%, 7%, and 8% annual interest. If the three investments yield a total of $ $\"2037\"$ annual interest, find the total investment.\r
\n" ); document.write( "\n" ); document.write( "If amount is $\"x\"$ , then\r
\n" ); document.write( "\n" ); document.write( " $\"%286%2F100%29x+%2B+%287%2F100%29x+%2B+%288%2F100%29x+=+2037\"$ ЕЕ..multiply both sides by $\"100\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"6x+%2B+7x+%2B+8x+=+203700\"$
\n" ); document.write( " $\"21x+=+203700\"$
\n" ); document.write( " $\"x+=+203700%2F21\"$
\n" ); document.write( " $\"x+=+9700\"$ ...........total investment\r
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( " $\"%286%2F100%299700+=+582\"$
\n" ); document.write( " $\"%287%2F100%299700+=+679\"$
\n" ); document.write( " $\"%288%2F100%299700+=+776\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"582+%2B++679+%2B+776+=+2037\"$ .....annual interest
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