Dallen002 Dallen002
  • 03-01-2017
  • Mathematics
contestada

Jose's math grade is the mean of his three exams. His grades of the first two exams were 82 and 93. What grade must he earn on his third exam to have of at least 90 for the class?

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AmplifiedHuman
AmplifiedHuman AmplifiedHuman
  • 03-01-2017
So we let the mark of his third exam be x
(82+93+x)/3=90
Multiply both sides by 3
82+93+x=270
x=93
Answer Link
Аноним Аноним
  • 03-01-2017
98
because ..
82+93+98=273
273/3=91
Answer Link

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