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Mathematics
OpenStudy (anonymous):

please help! 7 kg of soybean oil which costs $4/kg were combined with 14 kg of canola oil which costs $1/kg. Find the cost per kg of the mixture.

OpenStudy (anonymous):

2$ per litre

OpenStudy (anonymous):

So we've got (7*4)+(14*1) to give use the total cost of the mixture, which is 42. Dividing that by the total of 21kg (7 of soybean + 14 of canola oil) gives us $2/kg.

OpenStudy (anonymous):

thank you!

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