Using my pad

QUESTION 1 A biological model produces the following system of differential equations I' (t) = -I(t) + 3y(t), = - 3y (t) + 5z(t), 2'(t) = -52(t), with initial conditions r(0) = y(0) = 0 and z(0) = zo. Write a MuPad code that solves the system for r, y and z using initial conditions