Posted by uzair on Tuesday, October 27, 2009 at 2:53pm.
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  coty, Tuesday, October 27, 2009 at 3:03pm
3 minutes

math  uzair, Tuesday, October 27, 2009 at 3:03pm
thank you sooo much
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