Posted by babygirl on Thursday, September 29, 2011 at 9:57am.
The value of a particular car dropped from 25,000 in may 21,000 in october.find the rate of change in value

algebra  PsyDAG, Thursday, September 29, 2011 at 11:09am
4000/25000 = 4/25 = .16

algebra  Steve, Thursday, September 29, 2011 at 12:06pm
Hmmm. I would have said
5 months to drop 4000 = 800$/month
Don't think we're talking % change here, since we were asked for a rate, which is usually measured in units/time.
Pick the correct interpretation.
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