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

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Question 967941: A grocer mixes together some cashews costing $8 per kilogram with some Brazil nuts costing $10 per kilogram. The grocer sold 12 kg of the mixture for $8.50 per kilogram. How many kilograms of cashews were in the mixture the grocer sold?
Answer by josgarithmetic(39626) About Me  (Show Source):
You can put this solution on YOUR website!
You can try to account for the "cost" of what was sold.
AND account for the number of kilograms of nuts.

c, cashews
b, brazil nuts

system%288c%2B10b=12%288.50%29%2Cc%2Bb=12%29