Jina's test score average decreased by 10 points this semester. Write a signed number to represent t

Discussion in 'Calculator Requests' started by math_celebrity, Sep 29, 2021.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    Jina's test score average decreased by 10 points this semester. Write a signed number to represent this change in average.

    Let A be the original average. The new average is:
    A + (-10)
     
    math_celebrity, Sep 29, 2021
    #1

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