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Accepted Solution
A:
Answer:Mass of A = 5760 gramsStep-by-step explanation:Surface area is given, so we can set-up a similarity equation to solve for k, proportionality constant. Here, we will relate both of them through k^2, because they are 2 dimensional (area). ThusSurface Area of A = k^2 * Surface Area of B28 = k^2 * 40.32k^2 = 28/40.32k^2 = 25/36k = Sqrt (25/36)k = 5/6Now, we want to find mass (1 dimensional quantity), thus we can say:Mass of A = k * Mass of BMass of A = (5/6) * (6912)Mass of A = 5760 grams