Hi there! The perimeter around a rectangular parking lot is 1,200 meters. The length of the parking lot is 74 meters, and 74 * 2 = 148. You include the combined length of both sides of the parking lot. 1,200 - 148 is 1,052. Now, to find the width of the parking lot, divide 1,052 by 2. 1,052/2 is 526. There. The parking lot is 526 meters wide.