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17 June, 13:29

Landscapers plan to spread a layer of stone on a path. The number ss of bags of stone needed varies directly with the depth dd (in inches) of the layer. They need 20 bags to spread a layer of stone that is 2 inches deep. How deep will the layer of stone be when they use 15 bags of stone?

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  1. 17 June, 14:00
    0
    2/20 = x/15

    cross multiply

    20x/30

    x = 30/20 = 1.5

    it will be 1.5 inches deep
  2. 17 June, 14:56
    0
    2/20 = x/15

    cross multiply

    20x/30

    x = 30/20 = 1.5

    it will be 1.5 inches deep
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