Homework Help: algebra

Posted by nadine on Tuesday, September 11, 2012 at 4:14pm.

If the cost of a cell phone has decreased 400% during the last 10 years, does that correspond to a cost decrease of four times? Explain your answer.

algebra i - bogus - Steve, Tuesday, September 11, 2012 at 4:26pm
a cost cannot decrease 400%

after it has decreased by 100%, it is zero.

Rephrase your question so it says what you mean.

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