Question

Bryan’s father is now twice as old as Bryan is.  His father was four times as old as him 16 years ago.  How old is his father now?

Answer 1

x - Bryans age, y - fathers age.

2x-y=0

y-16-= 4(x-16)

2x-y=0

y= 4x-48

2x-4x+48=0

-2x= -48

x= 24

y= 48

Answer:48