maths
posted by edward .
a trust fund has rs30000 that must be invested in two diferent types of bonds.the first bond pays 5% and second 7% interest per year. using matrix multiplication determine how to divide rs 30000 among two types of bonds if the trust must obtain na annual total interest of
(a)rs 1800 (b)rs2000 (c)rs1600

(A) $ 1800
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