Seudónimo Seudónimo 18-03-2021 Mathematics contestada A baby girl weighed 18 lb 10 oz at 11 months and 20 lb 2 oz at 12 months. How much weight did the baby gain during this month? Options: A. 1 lb 2 oz B. 1 lb 8 oz C. 2 lb 2 oz D. 2 lb 8 oz