SOLUTION: 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

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Question 892343: 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

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
In words:
cost / kg = ( cost of sbo + cost of co ) / ( kg of sbo + kg of co )
Cost / kg = +%28+7%2A4+%2B+14%2A1+%29+%2F+%28+7+%2B+14+%29+
Cost / kg = +%28+28+%2B+14+%29+%2F+21+
Cost / kg = +42+%2F+21+
Cost / kg = +2+
$2 / kg