Mathematics, 07.11.2019 23:31, eta20

Ellie would like to build the garden of her dreams. she needs 27 cubic feet of soil containing 12% clay. she has 2 types of souls that she can combine to achieve this: soil with 27% clay and soil with 15% clay. how much of each should she use?

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Ellie would like to build the garden of her dreams. she needs 27 cubic feet of soil containing 12% c...