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Mathematics, 06.12.2019 06:31 twil85459

Joseph had to type an article containing 10,000 words. how many minutes did it take him? (1) joseph and kelly together can type a 75,000-word article in an hour and a half. (2) joseph types twice as fast as kelly does.

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Joseph had to type an article containing 10,000 words. how many minutes did it take him? (1) joseph...
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