math
posted by Taylor .
plz help
students in a math class need an average of at least 90 points to earn an A. one student test scores are 88,91,and 85 what must be the strudent score on the nest test to earn an A?
it is Inequalities

4 * 90 = 360
88 + 91 + 85 = 264
360  264 = ?