SOLUTION: Nestor invested 5000 pesos, part of it at 3% and the rest at 5% simple interest. If the total annual income from both of these investments amounted to 175 pesos, how much was inves
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Question 373948: Nestor invested 5000 pesos, part of it at 3% and the rest at 5% simple interest. If the total annual income from both of these investments amounted to 175 pesos, how much was invested at each rate? Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! Amount x pesos -------3%
5000-x pesos ---------5%
..
Interest = 175 pesos
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INTEREST EQUATION
0.03x+0.05(5000-x)=175
0.03x+250-0.05x=175
-0.02x = 175-250
-0.02x=-75
/-0.02
x=-75/-0.02
x= 3750 pesos @ 3 %
balance @ 5%
...
m.ananth@hotmail.ca
