Ever eat a maggot? Guess again! The FDA publishes a list, the Food Defect Action Levels list, which indicates limits for “natural or unavoidable” substances in processed food (Time, October 1990). So in $100$ g of mushrooms, for instance, the government allows $20$ maggots! The average batch of rich and chunky spaghetti sauce has $350$ grams of mushrooms. How many maggots does the government allow in a batch?