aleahm
aleahm aleahm
  • 06-05-2017
  • Mathematics
contestada

I need help to solve this

I need help to solve this class=

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cambyrd
cambyrd cambyrd
  • 06-05-2017
i believe the answer is C but i am not sure
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Nitro5315
Nitro5315 Nitro5315
  • 06-05-2017
The answer is C. 855-750 is 105, and that number divided by 15 is 7, which is how long the sand was falling
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