Will 5 ÷ 0.4 be rational or irrational? Why?
A. Rational. An irrational number divided by an irrational number is always rational.

B. Rational. A rational number divided by a rational number is always rational.

C. Irrational. A rational number divided by a rational number is always irrational.

D. Irrational. An irrational number divided by a rational number is always irrational.