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1990 AMC 12 Question 24

AMC12 · 1990 AMC 12

Question 24

All students at Adams High School and at Baker High School take a certain exam. The average scores for boys, for girls, and for boys and girls combined, at Adams HS and Baker HS are shown in the table, as is the average for boys at the two schools combined. What is the average score for the girls at the two schools combined? Adams Baker Adams & Baker Boys: $71$ $81$ $79$ Girls: $76$ $90$ ? Boys & Girls: $74$ $84$
  1. $81$
  2. $82$
  3. $83$
  4. $84$
  5. $85$