Question 1143318

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.