Homework Help Forum: algebra

Posted by Joe on Saturday, November 7, 2009 at 7:02pm.

A wholesaler mixed coffee beans worth $6/kg with another kind worth $8.80/kg. The 16kg mixture was worth $6.70/kg. How many kilograms of each type was used?

• algebra - Reiny, Saturday, November 7, 2009 at 7:08pm

  Let the amount of the $6 mixture used be x kg let the amount of the $8.80 mixture be 16-x kg then 6x + 8.8(16-x) = 6.7(16) solve for x

  
  

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