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Mathematics, 30.08.2019 02:50 boog89

Ms. donahue uses 4 essays as the basis for her grading. each essay counts as a percent of the final average.
essay 1 10%
essay 2 15%
essay 3 25%
essay 4 50%
joel had the following scores for his work: essay 1, 85; essay 2, 90; essay 3, 80; and, essay 4, 100.
what is joel's expected final average?
a) 86
b) 89
c) 90
d) 92

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