Miguel measured the town library and made a scale drawing. The scale he used was 1 millimeter : 7 meters. The parking lot is 7 millimeters long in the drawing. How long is the actual parking lot?

meters

To find the actual length of the parking lot, we need to use the scale given. According to the scale, 1 millimeter represents 7 meters.

So, if the parking lot is 7 millimeters long in the drawing, then the actual length of the parking lot is 7 * 7 = <<7*7=49>>49 meters.