SOLUTION: Alfred is three times as old as his brother.Six years ago, the sum of their ages was equal to Alfred's present age.How old are they now?thank you!

Question 566620: Alfred is three times as old as his brother.Six years ago, the sum of their ages was equal to Alfred's present age.How old are they now?thank you!

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Alfred's age now
= Alfred's age 6 yrs ago
Let = his brother's age now
= brother's age 6 yrs ago
--------------------------------------
given:
(1)
(2)
--------------------------------------
(2)
Subtract from both sides
(2)
(2)
and
(1)
(1)
Alfred is 36 now, and
his brother is 12 now

RELATED QUESTIONS
Alfred is three times as old as his brother.Six years ago, the sum of their ages was... (answered by ankor@dixie-net.com)

Alfred is three times as old as his brother, and 6 years ago the sum of their ages was... (answered by jorel1380)

Alfred is twice as old as his brother. Four years ago he was four times as old. How old... (answered by vleith,Mathtut)

Vincent is three times as old as his brother and 6 years ago the sum of their ages was... (answered by bonster)

Jay is three times as old as Greg. Six years ago, the sum of their ages is equal to... (answered by Nigelyul)

Derek is four times as old as his brother.Five years ago,the sum of their ages was equal... (answered by josmiceli,bloggauta)

randy is three times as old as his brother ben how old is each if six years ago the sum... (answered by Cromlix)

Four years ago henry was three times as old as alfred. Three years hence he will twice as (answered by Fombitz)

A man is three times as old as his son and six years ago the product of their age was... (answered by ptaylor)