SOLUTION: Dennis has Php 6,800 invested at 8%. How much money must he invest at 14% so that the total income from the two investments is Php 1,720.

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Question 996732: Dennis has Php 6,800 invested at 8%. How much money must he invest at 14% so that the total income from the two investments is Php 1,720.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Dennis has Php 6,800 invested at 8%. How much money must he invest at 14% so that the total income from the two investments is Php 1,720
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Equation:
0.08*6800 + 0.14x = 1720
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8*6800 + 14x = 172000
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14x = 172000-8*6800
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14x = 117600
x = 8400Php
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Cheers,
Stan H.
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