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Samuel can type nearly 40 words per minute. Use this information to find the number of hours it would take him to type 3.1 × 105 words

 Oct 22, 2020
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[3.1  x  10^5] / 40 words per minute =7,750 minutes

 

1 hour = 60 minutes.

 

7,750 /60 = 129 1/6 - hours to type 3.1 x 10^5 words.

OR:

40 words per minute x 60 minutes =2,400 words - that he can type in 1 hour

 

[3.1   x  10^5] / 2,400 words per/h =129 1/6 hours to type 3.1  x  10^5 words.

 Oct 22, 2020

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