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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