Question

help please

5. A private investment pool contains $750,000, all of which is to be invested in three kinds of securities. The kinds are common socks, expected to yield 2.20% per year, U.S. Treasuries, expected to yield 0.90 % per year, and municipal bonds, expected to yield 1.20% per year. The amount in Treasures is to be equal to the sum of the amounts in the other two categories. The return on the total amount is to be 1.0 % After carefully defining your letter variables, write (but do not solve the equations that determine how much is to be invested in each category. 2 // "3 4 5 6

Answer 1

som het Let me amount amount amount invested in common stocks be so incested in Us treasusses be y invested in municipal bands be a lel Now + y + z = $ 750,000 (total amount Invested) = x+ z lamt of treas isies is equal to sum of other - two) Amt ofter 1 year in common stocker is at 2022 100 = 102.22 100 Amt after 1 year in treasustes = Amt after year in municipal "bonds y + 0.94 100 100.94 100 Z + 1.207 TOO 101-20 z 100 750,000 + 750 opp 757500. Total Increase in total amt after a yo 2 Thus 102.2x + 100.94 + 101.202 a 100 757500 102.24 + 100.94 101:20 7= 75,750,000 This system x + y + z = 750,000 -xty - 2 = 0 102.2 +100.94 +101-202 - 75,750,000