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sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?

  • algebra -

    If she gets score x, then we have

    84*3 + x = 88*4
    252+x = 352
    x = 100

    Good luck, Sonya!

  • algebra -

    Thank you can you please help me with my other question?

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