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Alexa wants to have a bowling average of at least 210. If her scores are 230, 185, and 195, what does she need to score on her fourth game? Which of the following inequalities best represents the situation?
a)210+230+185+195/4≥210
b)230+185+195+x/4≥210
c)230+185+195/4+x≥210
d) None of these choices are correct.