Asked by Bob
Over a 5 week period, the price of an MP3 player dropped steadily, from $140 to $90.
What was the average weekly change in the price of the MP3 player over this period?
What was the average weekly change in the price of the MP3 player over this period?
Answers
Answered by
Alex
That the price "dropped steadily" implies a linear relationship, which would simply be change in price over change in time.
(140 - 90) / 5 = -$10 / week.
(140 - 90) / 5 = -$10 / week.
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