SOLUTION: You have $50,000 and wish to invest part at 10% and the rest at 6%. How much should be invested at each rate to prduce the same return as if it all had been invested at 9%?

Question 313757: You have $50,000 and wish to invest part at 10% and the rest at 6%. How much should be invested at each rate to prduce the same return as if it all had been invested at 9%?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
$50000 @9% will yield = $4500 /year
10% investment = $ x
6% investment = 50000-x
..
interest received = 4500
0.1x+0.06x=4500
0.16x=4500
x= 4500/0.16= $28,125. This will be 10% investment
Balance will be invested at6% = $21,875
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