Question

If a dairyman has 300 pounds of milk testing 3% butterfat, how many pounds of skimmed milk (with no butterfat) must he

remove to have milk testing 3.6% butterfat?
28.125 pounds
50 pounds
1.8 pounds
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Answer 1

• B. 50 pounds

Explanation:

Set the equation and solve for x:

• 300*3/100 = (300 - x)*3.6/100
• 900 = 1080 - 3.6x
• 3.6x = 180
• x = 180/3.6
• x = 50 pounds

Correct choice is B