SAT数学：今日份的练习题(附答案和详解)

小站整理2018-03-30 18:00:38

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摘要：距离五月份的SAT考试只剩下一个月多了，复习时间一天一天的减少，大家在冲刺阶段千万不要掉以轻心。今天为大家带来一道SAT数学练习题，希望备考的宝宝们保持手感，冲刺SAT数学满分。

下面我们就一起来看看今日份的SAT数学练习题吧，希望能够帮助到大家。

Mathematics>Standard Multiple Choice

Read the following SAT test question and thenclick on a button to select your answer.

P=100h-2000

Mia's law firm has $2000 worth of expenses eachmonth. Her firm charges $100 per hour for legal advice. The given equation shows the firm'sprofit, P, after being paid for h hours of legal advice during a one-month period. What is theminimum number of hours of legal advice that Mia's firm must be paid for during one month inorder to cover the firm's monthly expenses?

A.20 hours

B.80 hours

C.100 hours

D.200 hours

答案：A

解析：

Choice A is correct. If the firm only covers themonthly expenses, the profit will be zero. Substituting 0 for P in the given equation andsolving for h will give the number of hours of legaladvice the firm needs to be paid for in order to break even.

This can be written as: P=100h-2000 0=100h-2000 h=20

以上就是小站为大家整理的SAT复习资料，希望能够帮助到大家。小站会一直陪在大家身边，备考的宝宝们加油哦！

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