help me with this question plz i need the answer asap with in one hour plz make it clear to me plz when u give me the answers plz one question please help

help me with this question plz i need the answer asap with in one hour plz make it clear to me plz when u give me the answers plz one question please help class=

Respuesta :


Ok you know km/hour right?
Find the speed by putting the number of km traveled over an hour

ab = 20 km/hour (traveled 10 km)
Bc= 20 km/ 1.5 hours = 13.3 km/hour

Average speed = 13.3 + 20 / 2
16.666...