What Is the Annual Rate of Increase for the Price of Milk?

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Homework Help Overview

The discussion revolves around determining the annual rate of increase in the price of milk, specifically comparing prices from two years ago to the present day.

Discussion Character

  • Exploratory, Mathematical reasoning

Approaches and Questions Raised

  • Participants explore whether the rate of increase is constant and discuss the general formula for rate of change in relation to price and time.

Discussion Status

The conversation includes attempts to clarify the nature of the rate of increase and whether it remains consistent over time. Some participants have shared formulas relevant to the problem, while others have raised questions about the implications of these rates.

Contextual Notes

There are indications of potential confusion regarding the posting etiquette within the thread, as well as a reference to external links that may not directly contribute to the discussion at hand.

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A gallon of milk was $1.79 two years ago. Today, it's $2.15. Find the rate it increased each year.
 
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Is the rate of increase constant?

cookiemonster
 
As for any rate of change problem

[tex]r = \frac {\Delta P} {\Delta t}[/tex]

r is the rate of change, P is price, t is time.
 
I've posted my answer https://www.physicsforums.com/showthread.php?goto=newpost&t=23872

Can you stop double posting. Come on, you know better.
 

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