The weight of a whole brick is the same as 4 pounds plus the weight of 1/3 of the whole brick. How many pounds does the whole brick weight?
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Originally Posted by fecoupefe The weight of a whole brick is the same as 4 pounds plus the weight of 1/3 of the whole brick. How many pounds does the whole brick weight? Solve $\displaystyle M = 4 + \frac{M}{3}$.
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