SOLUTION: How many ounces of vegetable oil containing 8% saturated fats must be added to 14 ounces containing 20% saturated fats to make a salad dressing containing 15% saturated fats?

Question 354094: How many ounces of vegetable oil containing 8% saturated fats must be added to 14 ounces containing 20% saturated fats to make a salad dressing containing 15% saturated fats?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many ounces of vegetable oil containing 8% saturated fats must be added to 14 ounces containing 20% saturated fats to make a salad dressing containing 15% saturated fats?
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Equation:
fat + fat = fat
0.08x + 0.20*14 = 0.15(x+14)
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Multiply thru by 100 to get:
8x + 20*14 = 15x + 15*14
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7x = 5*14
x = 10 (amt of 8% oil needed in the mixture)
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cheers,
Stan H.
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