Question: To pass a course with a B grade, a student must have an average of 80 or greater. A student's grades on three tests

To pass a course with a B grade, a student must have

To pass a course with a B grade, a student must have an average of 80 or greater. A student's grades on three tests are 74, 83, and 72. Find what score the student must get on the next test to get a B average

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