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OpenStudy (angelab97):
The day of a quiz, only Michelle was absent. The average(arithmetic mean) grade of the other students was 85. When Michelle took a makeup quiz, her grade was 30, which lowered the class's average to 80. How many students are in the class? Please explain how to do this problem
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OpenStudy (anonymous):
There are 11 Students Total. I'll attempt to explain.
OpenStudy (angelab97):
thank you
OpenStudy (angelab97):
can you please explain
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