Question

Bernard weighs 7.5 pounds at birth. assuming his development proceeds normally, he should weigh about _____ pounds by his first birthday. 22.5 24.5 20.5 18.5

Answer 1

Given Bernard weighs 7.5 pounds at birth.The question is asking us to assume that  Bernard development proceeds normally.We need to find Bernard birth after a year.

It is observed that birth of a child triples or is thrice (3 times ) the weight at birth.As Bernard is weighing 7.5 pounds so he will triple or be 3times of this weight.

Bernard weight after a year= 3x7.5=22.5 pounds.

Answer 2

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