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A bullet train contravallation at 170 miles per hour Will a graph representing distance in miles compared to time and ours show a proportional relationship explain

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Edufirst
The proportional relationship is verified because the velocity (miles per hour) is constant.

So, for evvery pair of points (time, distance) you will verify:

time1 / distance1 = time2 / distance2 = time3 / distance3 = time4 / distance4 = 170 mph.

The proportional relationship means that the ration of the variables is constant, in this case the ratio is the velocity:

velocity = distance / time = constant = 170 mph

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