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13 May, 16:01

A newborn increases its weight by 60% during the first 3 months of life. If my niece weighs 5.6 kg right now and was born three months ago, what was her birth weight?

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  1. 13 May, 16:59
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    Her weight three month ago was 2.24 kg

    Step-by-step explanation:

    This is because it was stated that, newborns increase in weight by 60% for the first 3 months of their lives. Therefore, we calculate 60% of her weight now and subtract it from her weight now to get her weight 3 months ago

    60% of 5.6 kg = 3.36 kg

    therefore, 5.6 - 3.36 = 2.24kg
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