SOLUTION: A is x years old and B is (5x-12) years old. Given that B is twice as old as A, the the age of A is: ...?
Algebra.Com
Question 977704: A is x years old and B is (5x-12) years old. Given that B is twice as old as A, the the age of A is: ...?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A is x years old and B is (5x-12) years old. Given that B is twice as old as A, the the age of A is: ...?
-----
Equation:
B = 2*A
-----
5x-12 = 2*x
----
3x = 12
x = 4 yrs (A's age now)
================
Cheers,
Stan H.
---------------
RELATED QUESTIONS
John is x years old and his sister Jane is (5x-18)years old. Given that Jane is thrice as (answered by MathLover1)
Michelle is three times as old as Fiona. Fiona is twice as old as Madeline. Madeline is... (answered by JulietG)
Is a person who is 44 years old as twice the age of someone who is 22 years... (answered by Alan3354)
A boy is 17 years old and his sister is twice as old. When the boy is 23 years old, what... (answered by Maths68,Hankmanscott)
a grandmother who is 80 years old is more than twice as old as her granddaughter who is... (answered by ikleyn)
Thanks in advance for any help in this kind of tricky "Age Problem Equation" as follow:... (answered by ikleyn)
A father is twice as old as his son. Ten years ago he was three times as old as his son.
(answered by ankor@dixie-net.com)
a man who is 42 years old has a son of 12 years old. in how many years will the father be (answered by T-Maree,MathTherapy)
The combined ages of A and B are 48 years and A is twice as old as B was when A
was half (answered by Edwin McCravy,AnlytcPhil)