Asked by rowlo
                Jacob has a mean score of 78 after his first four math tests. He wants to make a B, or an average of 80, in math. What does he need to score on the fifth test to have a mean score of 80?
            
            
        Answers
                    Answered by
            Ms. Sue
            
    80 * 5 = 400
78 * 4 = 312
400 - 312 = 88
    
78 * 4 = 312
400 - 312 = 88
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