Pre-Algebra Word Problem

lovelyshannon

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Mar 26, 2012
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A dairy needs 205 gallons of milk containing 6% butterfat. How many gallons each of milk containing 8% butterfat and milk containing 3% butterfat must be used to obtain the desired 205 gallons?

? gallons of milk containing 8% butterfat
? gallons of milk containing 3% butterfat

Please explain how to solve.
Please help!
 
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