Itzjanix
contestada

Janet took 3h to drive from Town A to Town B at an average speed of 100km/h. She rested for 30 minutes and traveled to Town C at an average speed of 70km/h for the remaining 2h. Find Janet's average speed for the whole journey.

Respuesta :

I hope this helps. The average speed is 88km/hour.
Ver imagen Аноним
clover0331
Total distance=3*100+2*70=440km

Total time taken=3+0.5+2=5.5hr

Average speed=440/5.5=80km/hr

Otras preguntas