新SAT官方Daily Practice每日一题数学代数题

小站教育2017-08-07 14:18:43

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摘要:本系列将给大家带来SAT官方的每日一练数学真题,各题型都有,持续更新,希望大家同步多练习。今天这里分享的是8月7日的数学代数题,一起来练习吧!

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

8月SAT数学官方Daily Practice 每日一练,点击

Tony is selling boxes of candy for $15 each and T-shirts for $20 each for a fundraiser for his soccer team. Tony's goals are that his total fundraiser sales from these two items will be more than$300, and that he will sell at least as many T-shirts as boxes of candy. Which of the following systems of inequalities best models this situation, where c is the number of boxes of candy and it is the number of T-shirts Tony needs to sell to meet his goals?

A.c+t>300; 20t≤15c

B.c+t>300; 20t≥15c

C.15c+20t>300; t≥c

D.15c+20t>300; t≤c

重点单词:

candy ['kændi] n. 糖果 vt. 用糖煮,使结晶为砂糖

multiple ['mʌltipl] adj. 许多,多种多样的

答案:C

解析:

Choice C is correct.

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