Answer: 30 students.
Step-by-step explanation: They are saying 50% of the class like the teacher. We know that 50% is half of the 100% so that mean only half of the students like the teacher. Is 15 students like the teacher it means that 15 are half of the students in the class. The other half should be another 15. So 15+15=30 or 15x2=30.
I hope I didn’t make it to confusing.
Answer:
1 3/7
Step-by-step explanation:
1 5/7 * 5/6
12/7 * 5/6
2/7 * 5/1
10/7*1
10/7
1 3/7
After the first day, 1/3 of the original amount remained:
... (1/3)·45 = 15
After the second day, 2/3 of that amount remained:
... (2/3)·15 = 10
The bookstore has 10 copies left.
Answer:
A) 18cm^2
Step-by-step explanation:
(3 x 12)/2=36/2=18
