<p>each student in a group of 30 students studies german, italian or both. the total number of students studying german is three mroe than the total number of students studying italian. if the number of students that study both subjects is the same as the number of students that study exactly one subject, how many students in the group study only italian?

a) 6

b)9

c 15

d 21

e 24</p>

<p>Please explain how you got to your answer!! thanks</p>