7
Answer: CSet 8: Linear Equations
Explanation
The length of a rectangle is 3 more than twice its width. If the perimeter is 36, what is the width?
What is the width of the rectangle?
A.
4
B.
6
C.✓ Correct
5
D.
7
Detailed Explanation
Choice C is correct. Let w = width. Length = 2 w + 3. Perimeter: 2 w + 2(2 w+3) = 36. So 2 w + 4 w + 6 = 36, 6 w = 30, w = 5.
Key Steps:
•
The correct answer is 5
Why others are wrong:
A: Choice A is incorrect and may result from a calculation error.
B: Choice B is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.
🎯 Keep Practicing!
Master all sections for your best SAT score