Truck Speed vs Gas Mileage An economist wanted to analyze the relationship between the speed of a car ( x )and its gas mileage ( y ). As an experiment a car is operated at several different speeds and for each speed the gas mileage is measured. These data are shown below. 
{Truck Speed vs Gas Mileage Narrative} Estimate the gas mileage of a car traveling 70 mph.
Definitions:
Detritus
Partially decomposed organic matter, often found in natural environments, serving as a nutrient source for some organisms.
Decaying Organic Matter
Organic material breaking down through the process of decomposition, typically by microbial action.
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