document.write( "Question 997721: Ms.Vangie Dimaano wishes to realize a return of 12% on her total investments. If she has P40,000 invested at 10%, then how much additional money should she invest at 14%? \n" ); document.write( "
Algebra.Com's Answer #854457 by ikleyn(53937)\"\" \"About 
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\n" ); document.write( "Ms.Vangie Dimaano wishes to realize a return of 12% on her total investments.
\n" ); document.write( "If she has P40,000 invested at 10%, then how much additional money should she invest at 14%?
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\n" ); document.write( "\n" ); document.write( "        Calculations in the post by @lwsshak3 are fatally incorrect and lead to wrong answer.\r
\n" ); document.write( "\n" ); document.write( "        For correct solution see what follows in my post.\r
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\n" ); document.write( "\n" ); document.write( "let x=additional money invested at 14%
\n" ); document.write( "0.1*40000 + 0.14x = 0.12*(40000+x)
\n" ); document.write( "4000 + 0.14x = 4800 + 0.12x
\n" ); document.write( "0.02x = 800
\n" ); document.write( "x = 800/0.02 = 80000/2 = 40000.\r
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\n" ); document.write( "\n" ); document.write( "how much additional money should she invest at 14% ? P40,000.         ANSWER\r
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\n" ); document.write( "\n" ); document.write( "Solved correctly to teach you in a right way.\r
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\n" ); document.write( "\n" ); document.write( "Since 12% is midway between 10% and 14%, this answer is intuitively obvious
\n" ); document.write( "without any calculations, so the problem can be easily solved/answered MENTALLY.\r
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