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12 June, 15:19

What is the approximate value of R in the equation below?

(76.4) (.32) (R-112) + (.35) (20R+435) = 54

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  1. 12 June, 15:26
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    (76.4) (0.32) (R - 112) + (0.35) (20R + 435) = 54

    24.448 (R - 112) + 7R + 152.25 = 54

    24.448R - 2738.176 + 7R + 152.25 = 54

    31.448R - 2585.926 = 54

    31.448R = 54 + 2585.926

    31.448R = 2639.926

    R = 2639.926/31.448

    R = 83.9457
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