Answer:
She spent 504 total hours in South America
Step-by-step explanation:
There are 24 hours in a day, she spent a total of 21 days in South America. You take 24 hours and multiply it by 21 days to get 504 total hours.
Answer:
504
Step-by-step explanation:
1 day is 24 hours
21 days will be 24 times 21 which is 504
Hope it helped.