Answer:
Explanation:
the correct answer is c.256 km
how to find the answer:
it travels 32 km in 30 mins which means it will travel 64 km in 1 hr
so to find for 4 hours we have to multiply it by 4 as it is traveling ata speed of 64km/hr=64km*4/1*4=256km/4 hrs
so it travels 256 km in 4 hrs