You and a friend ride bicycles to school. Both of you start at the same instant from your house, you riding at \(10 \mathrm{~m} / \mathrm{s}\) and your friend riding at \(15 \mathrm{~m} / \mathrm{s}\). During the trip your friend has a flat tire that takes him \(12 \mathrm{~min}\) to fix. He then continues the trip at the same speed of \(15 \mathrm{~m} / \mathrm{s}\). If the distance to school is \(15 \mathrm{~km}\), which of you gets to school first?