math

kenneth has 22 math problems to do for homeworks he has 12 problems done. How many more problems does he have left? If he completes 1 problem every minute, how many more minutes does he have to work?

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  1. 22 - 12 = ?

  2. 10

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    posted by sally
  3. I think it is nine minutes.

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    posted by Blanca

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