Advanced MathEasyPerimeter expression evaluated
Advanced Math practice question
The perimeter of a certain rectangle is given by the expression 2w + 3w, where w is its width. What is the perimeter when w = 6?
Answer: 30
2w + 3w = 5w, and 5 × 6 = 30.
Common wrong answers
- If you answered 12
- 12 is 2w alone.
- If you answered 18
- 18 is 3w alone.
- If you answered 36
- 36 uses 6w.
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