SOLUTION: john is twice as old as bill. greg is 7 years older than bill. four years ago, the sum of their ages was 55. how old is greg?
Algebra.Com
Question 279272: john is twice as old as bill. greg is 7 years older than bill. four years ago, the sum of their ages was 55. how old is greg?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
John, Bill, Greg
J=2B
G=7+B
J-4+B-4+G-4=55
J+B+G=67
2B+B+7+B=67
4B=60
B=15
J=30
G=22
checking
30+15+22=67
67=67
RELATED QUESTIONS
Jay is three times as old as Greg. Six years ago, the sum of their ages is equal to... (answered by Nigelyul)
Ten years ago John was four times as old as bill. now he is only twice as old as bill.... (answered by solver91311)
Ten years ago John was four times as old as bill. now he is only twice as old as bill.... (answered by solver91311)
Greg is twice as old as Judy. Three years ago, Greg was 3 times as old as Judy was then.... (answered by JulietG)
Jim is 21 years older than Bill. Twelve years ago, Jim was twice as old as Bill. Find... (answered by mukhopadhyay)
John is 2 years older than bill . If the sum of their ages is 36 , how old is john... (answered by ikleyn)
Chris is ten years older than his sister, Alice. Chris is also twice as old as his... (answered by ankor@dixie-net.com)
Igi is now twice as old as Bill. Seven years ago, the sum of their ages was 16. How old... (answered by monika_p)
greg is one and a half as old as nina's age. Four years ago, he was twelve years older... (answered by Boreal)