document.write( "Question 1147222: Rita invested her savings in two investment funds. The amount she invested in Fund A was 3 times as much as the amount she invested in Fund B. Fund A returned a 3% profit and Fund B returned a 6% profit. How much did she invest in Fund B, if the total profit from the two funds together was $1350? \n" ); document.write( "

Algebra.Com's Answer #768532 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Let x be the amount (in dollars) invested in fund B at 6% interest.\r\n" );
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document.write( "Then investment in fund A is 3x dollars, at 3% interest.\r\n" );
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document.write( "Total interest is the sum of partial interests\r\n" );
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document.write( "    0.03*(3x) + 0.06*x = 1350.\r\n" );
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document.write( "Simplify and solve for x\r\n" );
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document.write( "    0.09x + 0.06x = 1350,\r\n" );
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document.write( "    0.15x = 1350,\r\n" );
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document.write( "    x     =  = 9000  dollars.\r\n" );
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document.write( "The amount invested in fund B was $9000.     ANSWER\r\n" );
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