题目信息
The graph models the hypothetical mass, in kilograms, of a Tyrannosaurus rex up to 30 years of age. Points A, B, and C represent the masses for a Tyrannosaurus rex at ages 12,16, and 20, respectively, according to the model.
From each drop-down menu, select the option that creates the most accurate statement based on the information provided.
For integer values of the age from 12 to 30, the average (arithmetic mean) mass falls approximately between kilograms.
The percent change in the mass from age 12 to age 16 is approximately the percent change in the mass from age 16 to age 20.
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正确答案：
4,000 and 5,000;
3 times;
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