Select the correct answer. Amy types at an average speed of 38 words per minute. She has already typed 1,450 words of her final paper, which will be more than 4,000 words. Which inequality can be used to solve for \( x \), the number of minutes it will take Amy to finish typing her paper? A. \( 38 x-1,450>76 \) B. \( 38(x+1,450)>4,000 \) C. \( 38 x>4,000 \) D. \( 38 x+1,450>4,000 \)
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The Deep Dive
To solve for \( x \), we need to account for the words Amy has already typed (1,450) and how many more words she needs to type to exceed 4,000. The total number of words she needs to reach is 4,000, so we can express this in an inequality where the words typed (38 words per minute multiplied by the minutes) plus what she has already typed should be greater than 4,000. Therefore, the correct choice is: D. \( 38 x + 1,450 > 4,000 \) To make the most of this scenario, here's some interesting tidbit! Did you know that typing speed can vary widely among different professions? For instance, professional typists can reach speeds of over 100 words per minute! It might just be time for Amy to ask those pros for tips on improving her speed! Also, here’s a fun tip for anyone looking to improve their typing skills: practice with online typing games! Sites like Typing.com and 10FastFingers make it competitive and entertaining. Regular practice not only improves accuracy but can also boost confidence—all while having a blast competing against your previous scores!
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