If i can make a meal in 5 minutes and a customer is not with that meal so i have to re make the meal another 3.5 minutes what is the percent increase for the additional 3.5 minutes?

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?