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7 October, 23:51

In a certain school, course grade range from 0 to 100. Adriana took 4 courses and her average course grade was 90. Roberto took 5 courses. If both students have the same sum of course grade, what was Roberto's

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  1. 8 October, 00:16
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    The total sum of Adriana’s grades are:

    sum of grades = 4 * 90

    sum of grades = 360

    If Adriana and Roberto has similar total sum, therefore the average of Roberto’s grades is:

    Roberto average = 360 / 5 = 72

    Answer:

    72
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