新SAT官方Daily Practice每日一题数学代数题

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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+t300; 20t≤15c

B.c+t300; 20t≥15c

C.15c+20t300; t≥c

D.15c+20t300; 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.