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3 years ago

6

Shelby will take a total of 6 tests. On the first 5 tests, her scores were: 80, 85, 73, 78, 90. If she wants a mean grade of 80,

what does Shelby have to score on her 6th test?

1 answer:

Andrew [12]3 years ago

4 0

Answer:

74

Step-by-step explanation:

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