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26 February, 10:33

Solve the formula for n. A=a+d (n-1) evaluate n when A=25, a=5, and d=13

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  1. 26 February, 10:53
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    Step-by-step explanation:

    You; ll run into this formula a lot. Make sure you study it carefully.

    A = 25

    a = 5

    d = 13

    Find n

    25 = 5 + 13 * (n - 1)

    20 = 13 (n - 1)

    This isn't going to work out. 20/13 does not give a whole number which it should.
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