SOLUTION: In Larry's school, a student must have an average of at least 80% to get a "B" in a course. Larry has scores of 76%, 83%, and 79% on his Algebra 1 tests. What minimum score must he

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Question 1032779: In Larry's school, a student must have an average of at least 80% to get a "B" in a course. Larry has scores of 76%, 83%, and 79% on his Algebra 1 tests. What minimum score must he have on his fourth test to guarantee a "B" in the course?
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
In order to average 80% on his tests, he must get:
76+83+79+x/4=80
76+83+79+x=320
x=320-76-83-79
x=82
Larry must get an 82 or better on his last test in order to average at least a B!!!!!