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I can't figure the following questions out:
1) For all real numbers v, the operation V* is defined by the equation V*=V-V/3. If (V*)*=8, the v=
The answer happens to be B)18
2) A rectangular tabletop consists of a pice of laminated wood bordered by a thin metal strip along its four edges. The surface area of the tabletop is x square feet, and the total length of the strip before it was attached was x feet. If the tabletop is 3 feet wide, what is its approximate length, in feet?