document.write( "Question 1121637: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $720 annual interest, find the total investment. \n" ); document.write( "

Algebra.Com's Answer #737592 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Let

represent one-third of the total investment. Then\r
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\n" ); document.write( "\n" ); document.write( "Solve for

, then calculate

.
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\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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