Kim got 82%, 75%, and 74% on the first 3 tests. What grade does she need on the 4th test to have an average of 80% on all 4 tests?

Question

Kim got 82%, 75%, and 74% on the first 3 tests.
What grade does she need on the 4th test to have an average of 80% on all 4 tests?
A. 77%
B. 80%
O c. 85%
D. 89%
E. 100%

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Ngọc Khuê 5 years 2021-07-22T10:46:07+00:00 2 Answers 180 views 0

Answers ( )

  1. hongcuc2
    0
    2021-07-22T10:47:31+00:00
    Reply

    Answer:

    C

    Step-by-step explanation:

    Add all percentages together, then divide by how many you added.

  2. Dulcie
    0
    2021-07-22T10:47:45+00:00
    Reply

    Answer:

    C

    Step-by-step explanation:

    Im not sure how to do it but ima just leave it there

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