SOLUTION: Paula is 12 years older than her brother Bob.Four years from now Bob will be two thirds as old as Paula. how old are they now ?

Question 658385: Paula is 12 years older than her brother Bob.Four years from now Bob will be two thirds as old as Paula. how old are they now ?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Paula's age now
Let = Bob's age now
given:
(1)
(2)
---------------------------
(2)
(2)
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
Paula is 32
Bob is 20
------------
check:
In 4 years Paula is 36
In 4 years Bob is 24

Divide both sides by

OK

RELATED QUESTIONS
Paula is 12 years older than her brother Bob. Four years from now Bob wil be two thirds... (answered by drj)

Paula is 12 years older than her brother Bob. Four years from now Bob wil be two thirds... (answered by Fombitz)

paula is 12 years older than his sister maria. four years from now bob will be two thirds (answered by stanbon)

System of two equations Paula is 12 yrs older than her brother bob. Four yrs from now... (answered by lwsshak3)

Paula is 12 years older than brother Bob. In 4 years, Bob will be 2/3 as old as Paula.... (answered by jermz69)

sally is 12 years older than her brother matt. four years from now, matt will be... (answered by stanbon)

Mira is twelve years older than her brother Carlo. Four years from now, Carlo will be two (answered by MathTherapy)

Paula�s mother is 18 years older than her. Her mother will be twice as old as Paula... (answered by josgarithmetic)

Elsie is twelve years older than her brother Andy. Four years from now, Andy will be 2/3... (answered by amoresroy)