Posted by Alec on Wednesday, April 16, 2008 at 9:14pm.
Let's start with Buddy, let his age be x
"Bernie is twice as old as Buddy"
Bernie is 2x
"Bobby is 2 years younger than Bernie"
Bobby is 2x-2
"Bobby is twice as old as Billy"
Billy is 1/2 Bobby's age or x-1
looks like Billy could be the youngest, so
x-1 = 6
x=7
Then
Buddy is 7
Bernie is 14
Bobby is 12 and
Billy is 6
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