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3 years ago

If 430 pounds of pebbles cover 1500 square feet, how many pounds of pebbles are necessary to cover 75,000 square feet?

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

5 0

430p 1500SF
860p    3000SF
1290p   4500SF
1720      6000SF
2150      7500SF

The answer is 2,150

Strike441 [17]3 years ago

3 0

430 / 1500 = x / 75,000
cross multiply
1500x = (75000)(430)
1500x = 32250000
x = 32250000/1500
x = 21,500 lbs of pebbles are needed

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