At an aquarium, researchers are preparing a mixture of salt water. The desired ratio is 90 grams of salt per liter of water. • 1 ounce = 28.35 grams
• 1 gallon = 3.8 liters

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.