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DS is the median salary of 21 teachers less than the average: 1. the average salary is 445,200 2. the 12 of the leachers, each earn less than 21,000 C
DS Two concerts, x and y. what is y? a inequality was given but cant remember what was the inequality
a inequality was given but cant remember what was the inequality a inequality was given but cant remember what was the inequality a inequality was given but cant remember what was the inequality 1. 20x+15y>320 2. X=3/4y E
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发表于 2009-2-12 03:11:00
