Question: James takes two data points from the weight and feed cost data set to calculate a slope, or average rate of change. A guinea pig

James takes two data points from the weight and feed cost data set to calculate a slope, or average rate of change. A guinea pig weighs 3 pounds and costs $3.50 per week to feed, while a Chihuahua weighs 4.8 pounds and costs $6.20 per week to feed.

Using weight as the explanatory variable, what is the slope of the line between these two points? 

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