SOLUTION: A woman invest 72000 pesos in two ways, same at 5% at same at 3%. What is her total annual interest in each rate

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Question 842126: A woman invest 72000 pesos in two ways, same at 5% at same at 3%. What is her total annual interest in each rate
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent amount at 5%  and T be the total annual interest earned

What is her total annual interest in each rate

 .05x  at the 5% rate 

.03(72000-x) at the 3% rate