Julia can finish a 20-mile bike ride in 1.2 hours. Katie can finish the same bike ride in 1.6 hours. To the nearest tenth of a mile, how much faster does Julia ride than Katie? Distance (mi) Rate (mph) Time (hr) Julia 20 1.2 Katie 20 1.6 4.2 mph 8.0 mph 12.5 mph 15.4 mph
