SOLUTION: Dairy Farmer wants to mix a 75% protein supplement any standard 25% protein ratio between a 1800 lb of a high grade 70% protein radiation. How many pounds of each should he use ?

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Question 1101283: Dairy Farmer wants to mix a 75% protein supplement any standard 25% protein ratio between a 1800 lb of a high grade 70% protein radiation. How many pounds of each should he use ?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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Dairy Farmer wants to mix a 75% protein supplement any standard 25% protein ratio between a 1800 lb of a high grade 70% protein radiation.
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WHAT?


Just guessing the farmer has 75% and 25% protein supplements and wants 1800 pounds of 70% protein mixture.
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Let x be amount of the 75% material.
%2825%2A%281800-x%29%2B75x%29%2F1800=70
Solve for x and evaluate 1800-x.