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(56 pts.)


At birth, the ratio of a baby's head length to the length of the rest of its body is 1:3. If a baby's total body length is 22 inches, how long is the baby's head?


Answer :

Answer:

5.5 inches

Step-by-step explanation:

the length of the baby's head =

1/(1+3) × 22 = ¼×22 = 5.5 inches