Ants have 6 legs. Katie and Lukas write equations showing the proportional relationship between the number of ants, a, and the number of ant legs, l.

Katie writes a = 6 • 1 and Lukas writes a = 1/6 • l.

Whose equation do you agree with?

A. Katie
B. Lukas
C. Both
D. Neither

Explain your reasoning.​