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FTCE General Knowledge Mathematics practice test 1 already passed
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The length of a deck is 5 less than twice the width with a perimeter of 62 feet. What is the width of the deck rounded to the nearest tenth? A. 12.0 B. 12.3 C. 12.8 D. 13.1 A. 12.0 This question is asking you to find the perimeter. Perimeter is the result of ADDING all the sides of the shape. In this case, we have a rectangular deck. The length is 5 less than twice the width, which is written 2w-5. And the width is just w. When you add up all the sides, you get; 2w-5 + 2w-5 + w +w=62 6w - 10 =62 Solve the equation by adding 10 to each side: 6w -10 =62
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