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Mathematics, 13.07.2019 10:30 zamakun
In a class of p students, the average of test scores is 70. in another class the average test scores is 92. when scores of the two classes are combined the average of test scores is 86. what is the value of p/n
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In a class of p students, the average of test scores is 70. in another class the average test scores...
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