In 1995 Pennsylvania changed its maximum speed limit on rural roads. The equations show the distance (in miles) a person could travel driving at the maximum speed limit for t hours both before and after 1995.

529 and 531

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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