Recall that in rectangles opposite sides are congruent.
60 in.
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We are given that the lines of a parking space are parallel, so the distance between the lines is constant. Notice that this distance, the width of the parking space, is always perpendicular to the lines. Therefore, the lines and the width of a parking space create a rectangle.
Since opposite sides in rectangles are congruent we can set the given expressions equal to each other and solve for x.
