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The average serving size of beef at restaurants is currently 66 ounces, which is 20%20\% larger than it was several years ago. What was the previous average serving size?\newline____ ounces

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Full solution

Q. The average serving size of beef at restaurants is currently 66 ounces, which is 20%20\% larger than it was several years ago. What was the previous average serving size?\newline____ ounces
  1. Calculate original serving size: Calculate the original serving size before the 2020% increase. Let the original serving size be xx ounces. Since the current serving size is 2020% larger, the equation is x+0.2x=6x + 0.2x = 6.
  2. Simplify equation for x: Simplify the equation to find xx. Combine like terms: 1.2x=61.2x = 6.
  3. Solve for x: Solve for x by dividing both sides by 1.21.2: x=61.2.x = \frac{6}{1.2}.

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