SOLUTION: I�m having a hard time understanding what this word problem wants. �Slope can be thought of as the average rate of change in one quantity per unit change in another. Use the co

Question 1125286: I�m having a hard time understanding what this word problem wants.
�Slope can be thought of as the average rate of change in one quantity per unit change in another. Use the concept of slope to answer the following question: the price of computers has been dropping for the past ten years. If a desktop pc cost $4200 ten years ago, and the same computing power cost $600 two years ago, find the rate of decrease per year. Assume that a linear model applies and round to the nearest cent.�
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
How much money downward?

that is .

How much time passage in years?
from 10 ago to 2 ago was 8 years.

SLOPE:

, dollars per year
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