Length: \( 3(5) + 2 = 15 + 2 = 17 \)
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- \[ S = 15 imes (15 + 1) = 15 imes 16 = 240 \]
- A rectangle has a length of \( 3x + 2 \) and a width of \( x - 1 \). If \( x = 5 \), what is the area of the rectangle?
- Substitute \( x = 5 \) into the expressions for length and width:
- Width: \( 5 - 1 = 4 \)
- The area of the rectangle is \( 17 imes 4 = 68 \).
- #### 68
