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# Material A costs $3 per kilogram, and material B costs$5

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Material A costs $3 per kilogram, and material B costs$5 [#permalink]

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08 Jan 2008, 08:53
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Difficulty:

75% (hard)

Question Stats:

59% (02:12) correct 41% (02:13) wrong based on 78 sessions

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Material A costs $3 per kilogram, and material B costs$5 per kilogram. If 10 kilograms of material K consists of x kilograms of material A and y kilograms of material B, is x > y?

(1) y > 4