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25 March, 05:39

Jack has an average score of 72% on five quizzes. What must he score on the sixth quiz to have an average of 78%?

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  1. 25 March, 05:49
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    72/100 multiplied by 100 give 72 so to get 78 percent you have to multiply78/100 by 100 and it give u 78 so the answer is 78
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