during a recent snowstorm in harrisburg, isabelle noted that there were 4 inches of snow on the ground at 3: 00 p. m., and there were 6 inches of snow on the ground at 7: 00 p. m. if she were to graph these data points, what does the slope of the line connecting these two points represent in the context of this problem?

a) every hour it snowed 0.5 inch.

b) every hour it snowed 0.25 inch.

c) every hour it snowed 1 inch.

d) every hour it snowed 2 inches.