bob4727 bob4727

20-02-2017
Mathematics

contestada

how many pounds of coffee worth $9 a pound should be added to 30 pounds of coffee worth $3 a pound to get a mixture worth $4 a pound

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williamwu309 williamwu309

20-02-2017

1/6 * 30 = 5, since 9 - 3 = 6, and 4 - 3 = 1.

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