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pedrojulianhdz2005
27.06.2021 •
Mathematics
A 2km long stretch of road needs to be resurfaced. The width of the road is 8.3m. Model this stretch of road as a rectangle.Work out the area of road that needs to be resurfaced in metre squared. Resurfacing this road costs £30 per square metre What is the total cost to resurface this road?
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Ответ:
1 km = 1000 meters
2 km = 2 x 1000 = 2,000 meters
Area = length x width
Area = 2,000 x 8.3 = 16,600 square meters
Cost:
Multiply total area by cost per square meter:
16,600 x 30 = £498,000
Ответ:
12000 litres
Step-by-step explanation:
the volume is 12 meters cubedl x w x h so 5 x 2 times 1.2 is 1212 meters = 12000 litres according to the 1 m = 1000 L ratio