Slope of perpendicular is -1/3.
Then equation is
y-5=(-1/3)(x+9)
We set up the equation 580/4 = 725/x. Since we know these are proportional, we can cross-multiply and solve to get x = 5.
Answer:
they will make $33,800 in a year.
Step-by-step explanation:
there are 52 weeks in a year, so $650×5= $33,800