Question: the sum of the ages of 4 children born at the intervals of 4 years each is 36 years . what is the age of the youngest child ?
A) 3
B) 18
C) 10
D) 99
E) 38
Correct answer: A
Grade: 6 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 6.EE.B.7