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March 28, 2017

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Dan and Jana were assigned by their teacher to complete a chemical reaction 4 times in the last 12 minutes of lab time. What is the longest time that each reaction will take if the teacher gave them enough time?

a.8 seconds
b.3 minutes
c.8 minutes
d.3 minutes

plz hellp urgent!!!

  • math - ,

    3 minutes

  • math - ,

    thank you sooo much

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