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Mathematics, 19.01.2022 17:10 neisha2507

A grocer mixes together some cashews costing $8 per kilogram with some Brazil nuts costing $10 per kilogram. The grocer sold 12 kg if the mixture for $8.50 per kilogram. How many

kilograms of cashews were in the mixture the grocer sold?

I know the answer is 9 but how do i get that?

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Answers: 3

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