SOLUTION: the ratio btween the present ages of P and Q is 6:7.if Q is 3 years later old than P.what will be the ratio of the ages of P and Q after 4 years.

Algebra ->  Test -> SOLUTION: the ratio btween the present ages of P and Q is 6:7.if Q is 3 years later old than P.what will be the ratio of the ages of P and Q after 4 years.      Log On


   



Question 1061416: the ratio btween the present ages of P and Q is 6:7.if Q is 3 years later old than P.what will be the ratio of the ages of P and Q after 4 years.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%2FQ=6%2F7
7P=6Q
.
.
Q=P%2B3
Substituting,
7P=6%28P%2B3%29
7P=6P%2B18
P=18
So then,
Q=18%2B3
Q=21
So in 4 years,
P=18%2B4=22
Q=21%2B4=25