SOLUTION: good evening The sum of the ages of Peter and Paul is 24. Five years ago their respective ages were in the ratio 3:4. How old will they be in three years’ time?

Algebra ->  Test -> SOLUTION: good evening The sum of the ages of Peter and Paul is 24. Five years ago their respective ages were in the ratio 3:4. How old will they be in three years’ time?       Log On


   

Question 1169245: good evening
The sum of the ages of Peter and Paul is 24. Five years ago their respective ages were in the ratio 3:4. How old
will they be in three years’ time?
Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
e peter
a paul
system%28e%2Ba=24%2C%28e-5%29%2F%28a-5%29=3%2F4%29

4%28e-5%29=3%28a-5%29
4e-20=3a-15
4e-3a=5
4e-3%2824-e%29=5
4e-72%2B3e=5
7e=77
e=11-----------Peter now
-
a=13----------Paul now


In three more years,....
Peter, 14
Paul, 16