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rach552

  • 3 years ago

Michael takes 90 min to type 5850 words. If he increases his typing speed by 5 words/min, how many minutes will he take to type 10,500 words?

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  1. jim_thompson5910
    • 3 years ago
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    At first, he's typing 5850/90 = 65 words per minute

  2. jim_thompson5910
    • 3 years ago
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    Bump this up by 5 wpm to get 65+5 = 70 words per min

  3. jim_thompson5910
    • 3 years ago
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    Now solve this equation 10500 = 70t for t

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