Nick is printing flyers, x, and posters, y, for a school fundraiser. The system of inequalities models how many of each item Nick needs to print and how much he can spend. Which of the following points represents a solution to the system? x+y≥ 75 2.5x+10.5y≤ 800
A (10,80)
B (150,100)
C (250,10)
D All real numbers, with x≤ 0 and y≤ 0