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Total your executive's time by category and avoid double counting

  • For Executive assistants
  • You practice Catching mistakes and made-up facts
  • Time about 5 minutes
  • Level Intermediate

About this exercise

Build a table with the header Category | Hours | Share for the CEO's week, one row per category. Count a meeting only once, in the category the notes say it belongs to. Share is hours divided by the total hours, rounded to a whole percent. Then add a last line "Biggest block:" naming the category with the most hours and its share. Plain text, under 90 words.

Common mistakes when you ask AI for this

  • Double counting. The AI keeps Internal meetings at 18 hours. Try: Say: "Count a meeting only once, in the category the notes say."
  • Wrong total. The AI divides by 52. Try: Say: "Share is hours divided by the corrected total."
  • Subtracting the lunch. The AI changes Travel because of the lunch note. Try: Say: "The Travel total already excludes it; leave Travel as is."
  • Wrong format. The AI adds commentary or columns. Try: Say: "Exactly this header, five rows, then the Biggest block line."
  • Markdown. The AI bolds the biggest block. Try: Say: "Plain text."
  • Trusting the AI to count words. AI is bad at counting. Ask for a total word limit and it often lands over it. Try: Cap each part instead, for example: "each line under 15 words."

What a strong prompt includes

  • Gives the header
  • No double counting
  • Rounded shares
  • Biggest block line
  • Corrected total

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