SOLUTION: 5 years ago sean was 3 times as old as his brother. today he is 2 times as old as his brother.how many years older than his brother is sean? how old is sean now?
Algebra.Com
Question 264105: 5 years ago sean was 3 times as old as his brother. today he is 2 times as old as his brother.how many years older than his brother is sean? how old is sean now?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
"5 years ago sean was 3 times as old as his brother" ___ s - 5 = 3(b - 5) ___ s - 5 = 3b - 15
"today he is 2 times as old as his brother" ___ s = 2b
2b - 5 = 3b - 15 ___ 10 = b
s = 2b = 20
RELATED QUESTIONS
Five years ago, Sean was three times as old as his brother. Today Sean is twice as old as (answered by Earlsdon)
sean is 20 and his brother is 12. how many years ago was sean three times as old as his... (answered by Cromlix)
Sean is 20 and his brother is 12 how many years ago was sean three times as old as his... (answered by DrSteve)
Gary is 8 years older than his brother. Six years ago Gary was three times as old as his... (answered by josgarithmetic)
Gary is 8 years older than his brother. Six years ago Gary was three times as old as his... (answered by josgarithmetic)
How do I write this problem into an equation:
Sean is 20 and his brother is 12. How... (answered by edjones)
Today, Jim is Twice as old as his brother Tom. Four years ago he was three times as old... (answered by josgarithmetic,MathTherapy,ikleyn)
I'm having trouble figuring out this problem to MAKE an equation: [Sean is 20 and his... (answered by midwood_trail)
A boy is twice as old as his brother - 4 years ago he was 3 times as old as his brother.... (answered by jorel1380)