SOLUTION: Suppose your grades on your first four exams were 76%, 94%, 66%, and 87%. What would be the lowest possible average that your last two exams could have so that your grade in the cl

Algebra ->  Average -> SOLUTION: Suppose your grades on your first four exams were 76%, 94%, 66%, and 87%. What would be the lowest possible average that your last two exams could have so that your grade in the cl      Log On


   



Question 487197: Suppose your grades on your first four exams were 76%, 94%, 66%, and 87%. What would be the lowest possible average that your last two exams could have so that your grade in the class, based on the average of the six exams, is at least 79%
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+%28+.76+%2B+.94+%2B+.66+%2B+.87+%2B+2x+%29+%2F+6+%3E=+.79+
+%28+3.23+%2B+2x+%29+%2F+6+%3E=+.79+
+3.23+%2B+2x+%3E=+4.74+
+2x+%3E=+4.74+-+3.23+
+2x+%3E=+1.51+
+x+%3E=+.76+
You must average at least 76% on the last 2 exams