Guys help me this question.
four yrs ago, Katie was twice as old as Anne was then. In 6 yrs, Anne will be the same age that Katie is now.How old is each now
K and A are their present ages
K - 4 = 2 (A - 4)
K = A + 6
substituting ... A + 6 - 4 = 2 A - 8
solve for A, then substitute back to find K