Question

two submarines, one red and one blue, started rising toward the surface at the same time.they each rose at a constant speed. the red submarine started rising from an altitude of 80 meters below the surface.after 30 seconds it was 60 meters below the surface.The following equation gives the altitude (in meters relative to the surface) of the blue submarine as a function of time (in seconds) A=-90+0.6t

Answer 1

I NEED A BIT MORE DETAIL LOL