An amount of rs.5000 is put into three investments at the rate of interest of 6%,7% and 8% per annum respectively. The total annual income is rs.358. If the combined income from the first two investments is rs.70 more than the income from the third, find the the amount of each investment by matrix method.
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Answer:
X=144
Ifirst and second investment is 214
third investment is 144
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