Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Area Calculation
Cost Calculation
Formulas
Area of rectangle = length × width
Outer area = (length + 2 × road width) × (width + 2 × road width)
Area of road = Outer area - Inner area
Total cost = Area of road × Cost per square meter
Theorems
Area calculation of surrounding regions
Suitable Grade Level
Grades 7-9
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