Sam's 2 new aquariums each hold exactly 200 gallons of water. one aquarium will hold small fish and the other will hold large fish. he will buy 5 small fish for every 10 gallons of water in the aquarium he will buy 8 large fish for every 40 gallons of water in the aquarium what is the total amount of fish sam will have and what is the ratio of small fish to big fish?

Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475