The cost of a tv dropped from $265 in 2012 to $199 in 2014. Find the average rate(slope) at which the cost has been decreasing?

1 answer:

7 0

It has already been given in the question that the cost of tv has dropped fro $265 in 2012 to $199 in 2014. To find the average rate of decrease in the cost of tv in 2 years we have to subtract the difference in price and then divide it by 2 to get to the actual result that is needed.
Difference in price of tv = (265 - 199) dollars
= 66 dollars
so the difference in price of tv in 2 years is $66
Then
The average rate of decrease in cost of tv = 66/2
= 33
So $33 is the average rate of decrease in the price of tv between the years 2012 and 2014.

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