Mathematics · Mensuration
A rectangular zone is surrounded by a safety walkway of uniform width 5 m. The area of the walkway is 450 m2. If the area of the inner zone is 300 m2, what is the ratio of length to width of the inner rectangular zone (assuming length is greater than width)?
- 14:3✓
- 23:4
- 33:2
- 42:1
Correct answer
4:3
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