soy is 18% protein corn is 9% protein. how many lbs of each should be mixed to get 360 lb mixture of 14% protein?

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LET X LB OF SOY IS MIXED WITH (360-X) LB OF CORN TO GET 360 LB OF MIXTHEN FORM AN EQUATIONX*.18+(360-X)*.09=360*.14.18X+32.4-.09X=50.4.09X=18X=200LBSOY=200LB   CORN=160LB