SOLUTION: sugar costing $810/tonne is mixed with sugar costing $920/tonne in the ratio 3:8 calculate the cost of 1 tonne mixture.

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Question 161444: sugar costing $810/tonne is mixed with sugar costing $920/tonne in the ratio 3:8 calculate the cost of 1 tonne mixture.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
sugar costing $810/tonne is mixed with sugar costing $920/tonne in the ratio 3:8 calculate the cost of 1 tonne mixture.
:
How about this?
Cost = %28810%283%29+%2B+920%288%29%29%2F11 = %282430+%2B+7360%29%2F11 = 9790%2F11 = $890