Question

An amount of $6500 is placed in three investments at rates of 6%,8%,&9% per annum,respectively. The total annual income is $480.If the income from the third investment is $60 more than the income from the second investment, find the amount of each investment.

Answer 1

Answer:

n amount of Rs. 5000 is invested in three investments at rate 6%, 7% and 8% per annum respectively. The total annual income from these investments is Rs. 350. If the total annual income from first two investments is Rs. 70 more than the income from the third, find the amount of each investment by using determinant methods