Mathematics, 12.10.2020 14:01 rayne40

In Joanna's class, tests count 60%, labs count 25%, and the final exam counts 15%. Joanna's test average is 83, her lab average is 92, and her final exam grade is 71.
What is Joanna's course average, rounded to the nearest whole number?

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In Joanna's class, tests count 60%, labs count 25%, and the final exam counts 15%. Joanna's test av...