When they invest K dollars, a fishery can produce Q(K) pounds of fish per month, where Q(K) = 111 K1/3. In t months from now, th
eir total investment will be K(t)=0.5t2+100 t +517 dollars. At what rate is the production of fish changing with respect to time 4 months from now? In 4 months from now, the fisher's production will be
Simply count the cubes in the blue rectangle, then count the cubes in the red rectangle. Divide red by blue, multiply that by 100. Thus giving your percent.