Question

Benjamin is 4 years younger than Kevin. William is 4 years less than twice Benjamins age. If William is 22, how old are Kevin and Benjamin?

Answer 1

b- Benjamin's age
k- Kevin's age
w- William's age
b=k-4
w=2*b-4
w=22
2*b-4=22
2*b=22+4
2*b=26
b=26:2
b=13
b=k-4
k=b+4
k=13+4=17

Answer 2

I got Benjamin as 13 years old and kevin as 9