V∝1P(T Constant )V \propto \frac{1}{P}(T \text { Constant })V∝P1(T Constant )
V∝T (P Constant) V \propto T \text { (P Constant) }V∝T (P Constant)
P=P1+P2+P3P=P_{1}+P_{2}+P_{3}P=P1+P2+P3
P∝T(V Constant )P \propto T(V \text { Constant })P∝T(V Constant )