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A secretary can type 2435 words in 20 minutes. What is the secretary's unit rate in word per minute?

User Tesuji
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2435 words -----> 20 minutes

x words -----------> 1 minute


\begin{gathered} 2435*1=20* x \\ 2435=20x \\ (2435)/(20)=(20)/(20)x \\ x=121.75 \end{gathered}

answer is 121.75 words per minute

User Sunny Milenov
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