A breastfed newborn weighed 4000 g at birth and 3600 g on day 5. What percentage of birth weight has been lost?

Answer and explanation

Correct answer: B. 10%

  1. Step 1: Weight lost = 4000 - 3600 = 400 g.
  2. Step 2: Percentage = 400 / 4000 x 100 = 10%.
Answer
10%.

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