题目列表(包括答案和解析)
A semipro baseball league has teams with 21 players each. League rules state that a player must be paid at least $15,000,and that the total of all players’ salaries for each team cannot exceed $700,000. What is the maximum possible salary,in dollars,for a single player?
A. 270,000 B. 385,000 C. 400,000 D. 430,000 E.700,000
For real numbers a and b, define a$b=(a-b). What is (x-y)$(y-x)?______
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