It would take Lily 255 words / 15 wpm = <<255/15=17>>17 minutes to type without taking a break.

Since Lily takes a break after 10 minutes of typing she takes 17 minutes + 2 minutes = 19 minutes

# Answer

19
Question:
Lily types 15 words a minute and takes a 2-minute break every 10 minutes. How long does it take for Lily to type 255 words?
Answer:
Let's think step by step.

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19
Lily types 15 words a minute and takes a 2-minute break every 10 minutes. How long does it take for Lily to type 255 words?
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