Respuesta :
Answer:10.0001 km/hr
Explanation:v=s/t
15km =15000ms
1.5hr =5400s
V=15000m/5400s
V =2.778m/s
2.778m/s =10.0001 km/hr
His speed was 10 km/hr
Speed, distance and time
From the question, we are to determine Antonio's speed,
From the formula,
[tex]Speed = \frac{Distance}{Time}[/tex]
From the given information,
Distance = 15 km
Time = 1.5 hours
[tex]Speed = \frac{15}{1.5}[/tex]
Speed = 10 km/hr
Hence, his speed was 10 km/hr
Learn more on Speed, distance and time here: https://brainly.com/question/2681210
