Answer:
2
Step-by-step explanation:
There are 7 days in a week.
1/2 hour x 7 days = 3 1/2 hours per week.
3 1/2 hours per week x 4 weeks = 14 hours
He read for a total of 14 hours
Answer:
25%
Step-by-step explanation:
The percent of increase can be calculated using following formula:
In your case,
- Initial amount = 12 students;
- Final amount = 15 students,
then