.............Help on what?
Answer:
The circulatory system, also known as the cardiovascular system, is a simple loop which starts, and ends, with your heart. It is a closed system, meaning blood does not enter or leave the system during its journey from your heart to your body and back again.
Explanation:
Answer:
Ratio of students to chaperones = 20 / 7
Explanation:
Given:
Total student = 100
Total chaperones = 35
Find:
Ratio of students to chaperones
Computation:
Ratio of students to chaperones = 100 / 35
Ratio of students to chaperones = 20 / 7