Solve the problem.In order to make a profit an automobile dealer must sell at least 190 vehicles a month. The dealer plans to sell x units of one model and y units of another model. Write and graph the system of inequalities that describes the situation. 
A. 2x + y ? 190
x ? 0
y ? 0
B. x + 2y ? 190
x > 0
y > 0
C. x + y ? 190
x ? 0
y ? 0
D. x - y ? 190
x ? 0
y ? 0
Answer: C
Mathematics
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