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Mathematics, 08.10.2019 00:30 hanjonez

How many pounds of peanuts costing $3.00 a pound should be mixed with 4 pounds of cashews costing $4.50 a pound to obtain a mixture costing $3.50 a pound?

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How many pounds of peanuts costing $3.00 a pound should be mixed with 4 pounds of cashews costing $4...
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