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pre algebra

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you spend a total of 25 minutes typing an e-mail to your friend and writing a letter to your aunt. you can type 60 words per minute and handwrite 20 words a minute. let "m" be the number of minutes you type the e-mail to your friend. write an expression in terms of "m" for the total number of words you wrote. evaluate the expression if you spend 10 minutes typing the e-mail to your friend.

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