Question: Delay differential equation


eqn1 := diff(x(t), t) = x(t)*(2-(1/20)*x(t))-x(t-tau)*y(t)/(x(t)+10)-10;

eqn2 := diff(y(t), t) = y(t)*(x(t)/(x(t)+10)-2/3);

bc := x(0) = 40, y(0) = 16,tau=0;

sol := dsolve({bc, eqn1, eqn2}, numeric);

plots[odeplot](sol, 0 .. 10);

I got the plot Vertically x and horizontally t but i need vertically y and horizontally x, Please help me, how can i write the code for ploting, thanks in advance.

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