6. COLLEGE Duke is a part-time student
at Horison Community College. He
currently has 22 credits, and he plans
to take 6 credits per semester until he
is finished. Duke's friend Kala is also
a student at the college. She has 4
credits and plans to take 12 credits
per semester. After how many
semesters will Duke and Kila have
the same number of credits?