SOLUTION: Mary is twice as older of her younger brother 4 years ago. When Mary is 18 years old, how young is her brother when the sum of Mary and her younger brother's age is 6,4 years ago.

Algebra.Com
Question 1134651: Mary is twice as older of her younger brother 4 years ago. When Mary is 18 years old, how young is her brother when the sum of Mary and her younger brother's age is 6,4 years ago.
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
"twice as older" makes no sense.

RELATED QUESTIONS

Mary is sixteen years old and is 4 times as old as her brother. How old will Mary be when (answered by Alan3354)
Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be (answered by feliz1965,Fals)
Mary, who is 16 years old, is four times as old as her brother. How old will Mary be when (answered by flame8855)
Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be (answered by josgarithmetic,lwsshak3,MathTherapy)
Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be (answered by Timnewman,macston,MathTherapy)
Mary, who is 16 years old, is four times as old as her brother. How old will Mary be when (answered by Alan3354)
Mary is 6 years older than her brother. Mary’s brother is 4 years older than their... (answered by josgarithmetic)
Mary is 3 years older than her brother Tom, and Tom is 4 years older than John. Three... (answered by drj)
Mary is 3 years older than her brother Tom, and Tom is 4 years older than John. Three... (answered by Maths68)