Maath

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I don't understand how to do this. I read the steps in the book and they are really confusing. Any help would be beneficial.

r/5=r+1/8

  • Maath -

    LCD is 40, so multiply both sides by 40
    8 r = 40 r + 5
    0 = 32 r +5
    r = -32/5

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