Mathematics > QUESTIONS & ANSWERS > FTCE General Knowledge Mathematics Practice Test 1 Questions with Correct Answers (All)
FTCE General Knowledge Mathematics Practice Test 1 Questions with Correct Answers
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the width of the deck rounded to the nearest tenth? A. 12.0 B. 12.3 C. 12.8 D. 13.1 Correct Answer A. 12.0 This question is asking you to find the perimeter. Perimeter is the resu... lt 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 6w = 72 Divide each side by 6: w = 12 Left and right side of the rectangle- w Top and bottom of the rectangle- 2w-5 [Show More]
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