An infant weighs 7 lb, 8 oz at birth. In her first week, she gains 150 grams, and in her second week, she gains another 190 grams. At the end of the 2 weeks, she weighs ________. (State the answer to the nearest ounce.)

Fill in the blank(s) with the appropriate word(s).


8 lb, 4 oz

7 lb, 8 oz = 7 1/2 lb or 7.5 lb
1 lb = 454 g

x = 3,405 g = the infant's original weight
3,405 g + 150 g + 190 g = 3,745 g weight after 2 weeks

1 lb = 16 oz
x = 0.2489 lb × 16 oz/1 lb = 3.9824 oz, rounded to 4 oz
The 2-week-old infant weighs 8 lb, 4 oz.

Nursing

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