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SAT官方每日一题附答案和解析[数学](2019年11月22日)

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Mathematics>Standard Multiple Choice

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

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 t 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   查看全部解释    
uu快3 ['kændi]

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n. 糖果
vt. 用糖煮,使结晶为砂糖

 
calculated ['kælkjuleitid]

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adj. 计算出的;适合的;有计划的 v. 计算;估计;

 
multiple ['mʌltipl]

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adj. 许多,多种多样的
n. 倍数,并联

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inequality [.ini'kwɔliti]

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n. 不平等,不平均,差异,多变性,不等式

 


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