Fifth term: \( a_5 = 2 \times 31 + 1 = 63 \)
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- Second term: \( a_2 = 2 \times 3 + 1 = 7 \)
- Third term: \( a_3 = 2 \times 7 + 1 = 15 \)
- Fourth term: \( a_4 = 2 \times 15 + 1 = 31 \)
- A rectangular garden has a length that is 4 meters more than twice its width. If the perimeter of the garden is 68 meters, what are the dimensions of the garden?
- Let width = \( w \) meters, then length = \( 2w + 4 \) meters
- Perimeter equation: \( 2(w + (2w + 4)) = 68 \)
