Verified answer

h1=0.2 м   po1=1000 кг/м3

h2=0.6 м   po2=800 кг/м3

p=?

===

p=p1+p2=po1*g*h1+po2*g*h2=1000*10*0.2+800*10*0.6=6800 Па

==================================