Answer:
Every morning Carlos and his brother goes to school while his parents go to work. Their mom works in an office and dad works at the school as a teacher. After school Carlos goes to the gym and he goes swimming. Not only does he like swimming but also playing basketball. He also studies a lot at the library.
The answer is A. the elderly
I believe it's trying to say that a vehicle goes 220km every 4 hour. How much can it travel in 12 hours. I don't understand the rest though...
