Answers by visitors named: govt. girls her sec. school samba

(A) $ 1800

a trust fund has $30,000 that must be invested in two different types of bonds. the first bond pays 5% interest per year, & the second bond pays 7% interest per year. using matrix multiplication, determine how to divide $ 30,000 among the two types of bonds. if the trust fund must obtain an annual total interest of: (a) $ 1800?