Set up the system of equations Do not solve An investment

Last updated: 6/22/2023

Set up the system of equations Do not solve An investment firm recommends that a client invest in bonds rated AAA A and B Let x be the number of AAA bonds y the number of A bonds and z the number of bonds The average yield on AAA bonds is 4 on A bonds 6 and on B bonds 12 The client wants to invest twice as much in A bonds as in B bonds How much should be invested in each type of bond if the total investment is 35 000 and the investor wants an annual return of 1940 on the three investments Ox y z 35 000 4x 6y 12z 194 000 2y z 0 O x y z 35 000 4x 6y 12z 19 400 x 2z 0 Ox y z 35 000 4x 6y 12z 194 000 y 2z 0 Ox y z 35 000 4x 6y 12z 194 000 x 2y 0