What's an equivalent fraction for 10 15 by dividing

How do you determine if an ordered pair is a solution to a given equation?

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.

Express -5 2/5 as an improper fraction.