Question

M is inversely proportion to n. Which equation could represent the relationship between m and n?
1.m=3*n
2.m/9=1/3
3.1/3*m=n
4.m=1/3*1/n
5.m/n=3

A and B are in inverse variation which equation could represent the relationship between A and B.
1. a=1/9*b
2. a=9*b
3.1/9*1/a=1/b
4. a/b=9
5. a=1/9*1/b

Answer 1

help please