Four years ago, Katie was twice as old as Anne was then. In 6 years , Anne will be the same age that Katie is now. How old is each now?
A = anne now 4 years ago Anne was A-4
K = Katie now four years ago Katie was K-4 and this = 2(A-4)
In SIX years A+6 = K
Two equations, two unknowns....solve for A and K
K-4 = 2(A-4)
(A+6)-4 = 2A-8
10 = A K = A+6 = 16 y/o