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PLS HELP (40 POINTS!!)

PLS HELP (40 POINTS!!)
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PLS HELP (40 POINTS!!)

PLS HELP (40 POINTS!!)-example-1
User Dmitriy Startsev
by
7.5k points

1 Answer

3 votes

Answer:

Number of students:

  • 5 + 4 + 7 + 10 + 4 = 30

Total of marks:

  • 5*6 + 4*7 + 7*8 + 10*9 + 4*10 = 244

Mean mark:

  • 244/30 = 8.1333 ≈ 8
User Sousuke
by
8.3k points
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