please solve it fast its urgent
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Answer:
178.4
Step by step explanation:
area of roads = area of two roads - area of cross section of two roads
areas of roads = (2.5× 50)m² + (40.5× 1.8)m² - (1.8×2.5)m²
area of roads = 125m²+ 72.9m² + 4.5m² 202.4m²
cost of cementing = area of road× cost of cementing per m²
= 202.4×24
= 178.4Rs
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