5:48 PM Wed Oct 22 . . . 88% ED II.13 Use area and perimeter to determine cost 5GF You have prizes to reveal! Go to your game board. X D Video Questions answered "() A school wants to buy a chalkboard that measures 3 feet by 6 feet. The chalkboard costs $7.00 per square foot. How much will the chalkboard cost? 10 $ Time elapsed Submit 00 12 24 HR MIN SEC SmartScore out of 100 ? 55 Work it out Not feeling ready yet? These can help: Find the area or missing side length of a rectangle Perimeter of polygons Add, subtract, multiply, and divide money amounts Lesson: Rectangles x IXL Practice in the app OPEN