SOLUTION: How many gallons of cream that is 30% butterfat must be mixed with milk that is 3% butterfat to make 45 gallons that are 12% butterfat?
cream X .30
Question 242150: How many gallons of cream that is 30% butterfat must be mixed with milk that is 3% butterfat to make 45 gallons that are 12% butterfat?
cream X .30 .30x
milk X-45 .03 .03x -1.35
final solution 45 .12 5.40
.30x + .03x -1.35 = 5.40
.33x = 6.75
x=
this is as far as I can get that makes sense to me. Can you tell me where I am going wrong or what I do next?
Thank you. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! How many gallons of cream that is 30% butterfat must be mixed with milk that is 3% butterfat to make 45 gallons that are 12% butterfat?
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m + c = 45
0.03m + 0.3c = 45*0.12 = 5.4
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m + c = 45
3m + 30c = 540
m + 10c = 180
m + c = 45
------------- Subtract
9c = 135
c = 15
m = 30
