Make an equation.
.1 X .5 X n = .25 X n - 30
.05n = .25n - 30
30 = .20n
150 = n
C: translation
i seen there wasn't any answer so i decided to get it wrong for the good people that use brainly i got you guys
Where the points intersect should be the solution to systems of equations.
C because I just did that