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Vladimir79 [104]
4 years ago
5

A freight train is carrying goods across the country. The distance it has traveled varies directly with the number of gallons of

fuel it has used. See the graph below.

Mathematics
1 answer:
kicyunya [14]4 years ago
6 0

Answer:

Step-by-step explanation:

The train uses

\frac{400gallons}{200miles}

If you reduce that you get that the train uses

\frac{2gallons}{1mile}

To find the slope of the line, we will use the 2 points on the coordinate plane where the graph goes through:  (0, 0) and (400, 200)

Applying the slope formula:

m=\frac{200-0}{400-0}=\frac{1}{2}

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