The sum of the ages of 4 children born at the intervals of 3 years each is 36 years. what is the age of the youngest child ?	Choose the correct answer: A) 22 B) 18 C) 4.5 D) 99 E) 38
Let x = the youngest child. Each of the other four children will then be x+3, x+6, x+9   We know that the sum of their ages is 36   so, x+(x+3)+(x+6)+(x+9)= 36   therefore The youngest child is 4.5 years old   Answer: 4.5
<result>C</result>
The sum of the ages of 4 children born at the intervals of 3 years each is 36 years. what is the age of the youngest child ?