Salvador sold hats during a weekend sporting event. On Saturday, Salvador sold \frac{4}{7} 7 4 of the total number of hats. On Sunday, he sold \frac{1}{4} 4 1 of the total number of hats. What fraction of the total number of hats was left over?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.