blueshark1208
blueshark1208
06-06-2018
Mathematics
contestada
One math question. Thanks :)
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musiclover10045
musiclover10045
06-06-2018
The average for 10 students was 65, so the total points would be 65 * 10 = 650
The average for 12 students was 60, so the total points would be 60 *12 = 720
The difference = 720 - 650 = 70
The average of the difference in 2 grades = 70 / 2 =
35
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