Asked by nadine
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.
Answers
Answered by
Steve
a cost cannot decrease 400%
after it has decreased by 100%, it is zero.
Rephrase your question so it says what you mean.
after it has decreased by 100%, it is zero.
Rephrase your question so it says what you mean.
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