SOLUTION: Holly invested two equal amounts of money, one at 4.5% and the other at 5% simple interest. Her total annual interest from the two investments was Php7,600. How much did she put in

Question 882167: Holly invested two equal amounts of money, one at 4.5% and the other at 5% simple interest. Her total annual interest from the two investments was Php7,600. How much did she put in at each rate?

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Holly invested two equal amounts of money, one at 4.5% and the other at 5% simple interest.
Her total annual interest from the two investments was Php7,600. How much did she put in at each rate?
:\
Let a = amt invested at each rate
:
.045a + .05a = 7600
.095a = 7600
a = 7600/.095
a = $80,000 at each rate
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