SOLUTION: Mark is a student, and he can work for at most 20 hours a week. He needs to earn at least $75 to cover his weekly expenses. His dog-walking job pays $5 per hour and his job as a ca

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Mark is a student, and he can work for at most 20 hours a week. He needs to earn at least $75 to cover his weekly expenses. His dog-walking job pays $5 per hour and his job as a ca      Log On


   

Question 839887: Mark is a student, and he can work for at most 20 hours a week. He needs to earn at least $75 to cover his weekly expenses. His dog-walking job pays $5 per hour and his job as a car wash attendant pays $4 per hour. I need a system of inequalities to model the situation. Please help, I don't know how to decipher word problems into inequalities yet..
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Mark is a student, and he can work for at most 20 hours a week. He needs to earn at least $75 to cover his weekly expenses. His dog-walking job pays $5 per hour and his job as a car wash attendant pays $4 per hour. I need a system of inequalities to model the situation.
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Hours:: d + c <= 20
Value:: 5d + 4c >= 75
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Cheers,
Stan H.
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