SAT Math Practice Question
The width of a rectangular dance floor is $w$ feet. The length of the floor is 6 feet longer than its width. Which of the following expresses the perimeter, in feet, of the dance floor in terms of $w$ ?
- A.$2 w+6$
- B.$4 w+12$
- C.$w^{2}+6$
- D.$w^{2}+6 w$
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