Marigolds are to be planted inside a circular flower garden so that there are 4 marigolds per square foot. The circumference of the garden is 20 feet. If marigolds are available only in packs of 6, how many packs of 6 flowers are needed?
Select an Answer
The first step is to determine the area of the garden. Since the circumference is feet, the radius is and the area is or square feet. If there are marigolds per square foot, marigolds are needed. To find out how many packs of flowers are needed, divide by . The result is ; thus, packs would be needed. The correct answer is E.