Mathematics
Mathematics, 23.07.2019 20:40, avlenlestrade

Helena uses a mixture of compost and topsoil in her garden. she purchased a total of 10 cubic yards of compost and topsoil for $180. if compost costs $25 per cubic yard and topsoil costs $15 per cubic yard, how many cubic yards of topsoil did she purchase? 3 4.5 5.5 7

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Mathematics, 28.08.2019 06:30, rgilliam3002
Helena uses a mixture of compost and topsoil in her garden. she purchased a total of 10 cubic yards of compost and topsoil for $180. if compost costs $25 per cubic yard and topsoil costs $15 per cubic yard, how many cubic yards of topsoil did she purchase? a.)3 b.)4.5 c.)5.5 d.)7
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Mathematics, 23.09.2019 06:30, dontcareanyonemo
Helena uses a mixture of compost and topsoil in her garden. she purchased a total of 10 cubic yards of compost and topsoil for $180. if compost costs $25 per cubic yard and topsoil costs $15 per cubic yard, how many cubic yards of topsoil did she purchase?
Answers: 1
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Mathematics, 30.09.2019 12:10, 5001Je
Helena uses a mixture of compost and topsoil in her garden. she purchased a total of 10 cubic yards of compost and topsoil for $180. if compost costs $25 per cubic yard and topsoil costs $15 per cubic yard, how many cubic yards of topsoil did she purchase?
Answers: 2
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Business, 25.10.2019 20:43, sunshinesmile71
The queen city nursery manufactures bags of potting soil from compost and topsoil. each cubic foot of compost costs 12 cents (enter as .12) and contains 4 pounds of sand, 3 pounds of clay, and 5 pounds of humus. each cubic foot of topsoil costs 20 cents (enter as .20) and contains 3 pounds of sand, 6 pounds of clay, and 12 pounds of humus. each bag of potting soil must contain at least 12 pounds of sand, at least 12 pounds of clay, and at least 10 pounds of humus. formulate the problem as a linear program and find the best combination of compost and topsoil that meets the stated conditions at the lowest cost per bag.
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