Question

At a construction site, 20,000 pounds of gravel are needed to create a driveway with an area of 400 ft2. What area of driveway can be added with another 125 pounds of gravel?
25.5 ft2
312 ft2
160 ft2
2.5 ft2
5 ft2
using the same ratio,

x/125 = 400/20000
x = 2.5

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