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Physics, 20.02.2021 06:20 kolin89

Tim can type 2000 words at a speed of 50 words per minute Bob’s typing speed is 80 words per minute. How much less time did Bob take than Tim to type 2000 words? _ min

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Tim can type 2000 words at a speed of 50 words per minute Bob’s typing speed is 80 words per minute....
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