Keisha is riding her bike to her friend Trina’s house to study for her Math test. • Trina lives 7 miles north of Keisha’s house. • After studying, Keisha leaves her friend’s house and goes to the ice cream shop that is 4 miles east of her friend’s house. • Keisha gets her ice cream, then rides her bike in a straight line back home. What is the total distance in miles that Keisha biked during her outing? Round your answer to the nearest tenth of a mile.