Teach Biology or teach Biology and Mathematics

[Ty K]

I can either graduate in 2 years to teach just biology or stay 3 years and be certified to teach biology and mathematics. I just want to graduate but my parents think staying the extra year will make me more marketable. Thoughts?

 

[S.G. Janssens]

What is one year of your life to acquire the additional privilege of teaching mathematics? I would say: Go ahead, make yourself not only more marketable, but also more venerable.