Respuesta :
Answer:
See below.
Step-by-step explanation:
5 students have an iPad.
20 students have an iPod.
5 + 20 = 25
The total is 25 students.
a. iPod/iPad = 20/5 = 4/1
b. iPad/iPod = 5/20 = 1/4
c. iPad/total = 5/25 = 1/5
d. iPod/total = 20/25 = 4/5