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If a circular garden has a diameter of 12 feet how many bags of topsoil must you buy to cover the garden if one bag covers an area of three square feet?
The area of a circle is determined by multiplying the square of its radius by the constant pi. The radius is defined as one half the diameter. The value of pi is 3.14. So, 3.14 * 62 = 113.1 square feet. Since a bag of topsoil covers three square feet, you will need 38 bags, because 113.1 square feet divided by three square feet per bag yields 37.7 bags.
You have you acre of lawn and one bag of fertilizer covers 5000 sq ft how many bags do you need?
1 acre = 43,560 square feetYou need (43,560 / 5,000) = 8.712 bags.Buy nine.
How many bag of cement and sand per square meter at 5 inches thick concrete slab?
Well, darling, if you want a concrete slab that's 5 inches thick, you'll need about 0.012 cubic meters of cement and 0.06 cubic meters of sand per square meter. Just make sure you mix it well and pour it like a boss. Good luck with your project, sugar!
You need to buy fertilizer for a flower bed with a diameter of 13 feet if one bag covers 10 square feet how many bags do you need to buy?
You need to buy 14 bags.area = pi * (13/2)^2 = 132.73... ft2
How many bags of rubber mulch that covers .8 cu feet would it take to cover 311 square feet at 2 inches deep?
12 in = 1 ft Volume = 311 sq ft × 2 in = 311 sq ft × (2 ÷ 12) ft = 51 5/6 cu ft (≈ 51.8 cu ft) = 51 5/6 ÷ 0.8 cu ft/bag = 64 19/24 bags ≈ 64.8 bags → you need to buy 65 bags.
