1. 3. Abdul, while driving to school, computes the average speed for his trip to be 20 km h - 1 . On his return trip along the same route, there is less traffic and the average speed is 40 km h - 1 . What is the average speed for Abdul's trip ? Share with your friends Share 1 Decoder_2 answered this Dear student,time taken in going to school=D20time taken while returning=D40avg speed for the whole trip=2DD20+D40=2D×403D=26.66km/hRegards -1 View Full Answer Oam answered this Please find this answer -1