Answer:
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Step-by-step explanation:
Intersection represents the elements present in both sets.
Best Regards!
Solve using system of equations!
Let y=total amount of money and x=hours of overtime.
mall: y=400+15x
movies: y=360+20x
Solve! Set the equations equal to each other to find x.
400+15x=360+20x
40=5x
x=8
After 8 hours of overtime the movies would pay her more.
Answer: x = -2
Steps/work provided down below. Please let me know if you have any further questions! :)