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(1)
MBMT Team -- Fermat #2
Source:
3/29/2015
Mr. Rose gave a test to his two calculus classes. His first period class has
20
20
20
students, and their average score on the test was
80
80
80
. His second period class has
30
30
30
students, and their average score was
90
90
90
. What was the average score of all
50
50
50
of his calculus students?