SAT数学真题中文版备考资料

　　备考资料!备考SAT，大家可以从各种真题资料里，找到SAT复习备考的窍门。因此小编也在这里整理了一些备考资料，供同学们参考练习，希望对大家接下里的备考有一定的帮助。

　　题目：

　　35A+28P=250

　　Vera is hiring entertainers for her charity event. She uses the equation above to determinethe number of hours, A and P, for which to hire a caricature artist and a face painter,respectively, with a total budgeted cost of $250. The caricature artist charges $35 per hourand the face painter charges $28 per hour. What is the meaning of the 35A in this equation?

　　A.The caricature artist charges 35A dollars per hour.

　　B.The caricature artist works for a minimum of 35A hours at the charity event.

　　C.For the first 35 hours of the charity event, the caricature artist will make A dollars.

　　D.The caricature artist charges a total of 35A dollars for A hours worked.

　　答案：D

　　解析：

　　Choice D is correct. Since A and P represent numbers of hours, use units to help determinethe meaning of the expression:

　　35A = 35(dollars/hour)*A hours = 35A dollars

　　This equation shows that the caricature artist charges $35 for each of the A hours worked,which is a total of 35A dollars for all of the A hours worked.

　　以上就是为大家整理的“SAT数学真题中文版”备考资料，希望通过上述内容的学习，帮助大家更好地来备考SAT数学考试，预祝大家在考试中取得更好地成绩。