Question 1143318: Jen invested 20000 part in bonds that paid 3% per annum and the remainder in term deposits that paid 5% per annum.
the total interest earned after one year was 5760.
how much did she invest at each rate?
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website!
if all of the money was invested at 3%, then the annual interest, based on the principal, would be .03 * 20,000 = 600.
if all of the money was invested at 5%, then the annual interest, based on the original principal, would be .05 * 20,000 = 1,000.
therefore, the annual interest has to be somewhere between 600 and 1000 if the original investment is equal to 20,000.
looks like your problem has not been identified correctly.
either there's a problem with the interest earned or there's a problem with the amount of the original investment, or possibly a problem with the interest rates for each investment.
look at your problem again and see if you have determined it correctly.
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