cosima02
cosima02 cosima02
  • 11-10-2017
  • Mathematics
contestada

How do you solve this problem?

How do you solve this problem class=

Respuesta :

holsteinlover102 holsteinlover102
  • 11-10-2017
so you would take 21 and add 8 and50 and subtract 11 until your numbers are the same then count how many seconds 

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