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Dallen002 Dallen002
  • 03-01-2017
  • Mathematics
Answered

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?

Verified Answer :

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
Anonymous Anonymous
  • 03-01-2017

98
because ..
82+93+98=273
273/3=91

Answer Link

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