luckygal90 luckygal90

01-04-2014
Mathematics

contestada

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

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crisforp crisforp

01-04-2014

(7*4 + 14*1)/(7+14) = 42/21 = $2/ kg of mixture;

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