答案:B
解析:
For every 10 dollars Ken earns, he gives 3 dollars to Tim. Thus if Ken earns d dollars and gives Tim t dollars, the proportion d/t equals 10/3 holds. Multiplying both sides of this proportion by t gives d equals (10t)/3.
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答案:B
解析:
For every 10 dollars Ken earns, he gives 3 dollars to Tim. Thus if Ken earns d dollars and gives Tim t dollars, the proportion d/t equals 10/3 holds. Multiplying both sides of this proportion by t gives d equals (10t)/3.
重点单词 | 查看全部解释 | |||
multiple | ['mʌltipl] | 联想记忆 | ||
proportion | [prə'pɔ:ʃən] | 联想记忆 |