David, Ping, Mandy, and Alan are each studying one of the animals shown in the table for a science project.Animal Study ProjectAnimalSpeedTypeHabitatElephant25 mph (running)MammalGrasslandsSailfish68 mph (swimming)FishOceansGiraffe32 mph (running)MammalGrasslandsDolphin30 mph (swimming)MammalOceansSource: www.worldalmanacforkids.comDavid is studying a mammal, but Ping is not. The animal that Mandy is studying can be found in the ocean. The animal that Alan is studying is slower than the animal that David is studying.Which animal is David studying?
Ping is not studying a mammal, so Ping must have the sailfish, the only fish. Mandy studies an ocean animal; since the sailfish is taken, Mandy has the dolphin. That leaves the elephant and giraffe for David and Alan. The elephant is slower (25 mph) than the giraffe (32 mph), so Alan has the elephant and David is studying the giraffe, choice D.
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