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SAT官方每日一题附答案和解析[数学](2019年7月10日)

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Mathematics

P=100h-2000

Mia's law firm has $2000 worth of expenses each month. Her firm charges $100 per hour for legal advice. The given equation shows the firm's profit, Pafter being paid for h hours of legal advice during a one-month period. What is the minimum number of hours of legal advice that Mia's firm must be paid for during one month in order to cover the firm's monthly expenses?

A.20 hours
B.80 hours
C.100 hours
D.200 hours

重点单词   查看全部解释    
legal ['li:gəl]

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adj. 法律的,合法的,法定的

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equation [i'kweiʃən]

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n. 相等,方程(式), 等式,均衡

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