Question: Let R stand for radiation exposure, t stand for length of time of exposure, r stand for distance, and k be the constant of

Let R stand for radiation exposure, t stand for length of time of exposure, r stand for distance, and k be the constant of variation. Write an equation of joint variation representing the relationship between R,r,t and k. Remember your previous answers. You answered that the equation for time was E = kt, and the equation k for distance was I = 12

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