Use inverse operations to solve C/2.5 = -4.2
C/2.5= -4.2⇒ C= -4.2*2.5⇒ C= -10.5The final answer is C= -10.5~
\(\frac{c}{2.5}=-4.2 =\ \textgreater \ c= 2.5* (-4.2)= -10.5\)