Answer:
[tex]total \: applicants \: = 12000 \\ number \: of \: applicants \: who \: were \: accepted = \frac{1}{3} \times 12000 \\ = 4000 \\ number \: of \: applicants \: who \: decided \: to \: attend \: the \: college = \frac{3}{8} \times 4000 \\ = 1500[/tex]