Peanuts are sold at $6 per kg. Cashew nuts are sold at $12 per kg. How many kilograms of cashew nuts are needed to mix with 12 kg of peanuts to obtain a mixture of $8.4 per kg?

c = 8 kg of cashews

Step-by-step explanation:

hope this helps :)

i thought it was a different type of problem at first, but i realized you're looking for cost per kg. i worked it out keeping the units because i thought that would help make sure that we end up getting our answer in the correct units. feel free to let me know if something's unclear :)

my answer is$ 12

step-by-step explanation:

because 15 -2=12

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