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Sara's new baby brother is 0.54 meters long and currently weighs 4.1 kg. The doctor said the baby should gain about 136 grams per week. At that rate, calculate how many total kilograms he weighs in 3 months. (Round to the nearest tenth.)

Answer :

Answer: The total weight of the baby after 3 months should be 5.732 kg.

Explanation:

Weight of the Sara's brother =4.1 kg= 4100 g (1 kg = 1000 g)

Rate by which baby should gain weight= 136 g/week

In 1 week baby should gain = 136 g

1 month = 4 week

So, in 3 months = 4 × 3= 12 weeks

So, weight gain by baby in 12 weeks = 12 × 136 g = 1,632 g

Total weight of the baby = 1,632 g + 4100 g =5,732 g = 5.732 kg

The total weight of the baby after 3 months should be 5.732 kg.

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