If the child is gaining weight at an expected rate, a child who weighs 36 lbs. at 3 years of age would weigh which of the following at age 5? Growth and Development of the Preschooler If the child is gaining weight at an expected rate, a child who weighs 36 lbs. at 3 years of age would weigh which of the following at age 5? a) 58 lbs. b) 38 lbs. c) 50 lbs. d) 44 lbs. Answer: 44 lb Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+