document.write( "Question 107496This question is from textbook College Algebra
\n" ); document.write( ": After inheriting some money, a women wants to invest enough to have an annual income of $5,000. If she can invest $20,000 at 9% annual interest, how much more will she have to invest at 7% to achieve her goal? \n" ); document.write( "
Algebra.Com's Answer #78277 by Fombitz(32388)\"\" \"About 
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Let's call M what she needs to invest at 7%. Then,
\n" ); document.write( "\"20000%280.09%29%2BM%280.07%29=5000\"
\n" ); document.write( "\"1800%2B0.07M=5000\"
\n" ); document.write( "\"0.07M=3200\"
\n" ); document.write( "\"M=3200%2F0.07\"
\n" ); document.write( "\"M=45714.29\"
\n" ); document.write( "She'll have to put an additional $45,714.29 at 7% to reach her goal.
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