3
QuizMultiple Choice

Problem-Solving

Question 3 • EF Math 12 1st Nine Weeks

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.Who is studying the dolphin?

Answer
A
Ping
B
Mandy
C
David
D
Alan

Explanation

Ping must be studying the sailfish, the only animal listed that is not a mammal. Mandy’s animal lives in the ocean, so among the remaining animals she must be studying the dolphin. This leaves the elephant and giraffe for David and Alan; Alan can be studying the slower elephant (25 mph), while David studies the giraffe (32 mph). The correct choice is Mandy.

AI-written and checked against the verified answer.

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